Excel in Mathematics Book 1 Final (2078)

Order of Numbers
Greater and smaller numbers
1. Let’s count the pencils and write the correct numbers.

There are pencils.

There are pencils.

2. Now, let’s say and write ‘greater’ or ‘smaller’ in the blank
spaces.

5 is than 3. 3 is than 5.

3. Let’s write ‘G’ for ‘greater and ‘S’ for smaller number of

things. Then write ‘greater’ or ‘smaller’ in the blanks.

S G 6 is than 4.
2 is smaller 4 is than 6.
3 is greater than 3.

than 2.

9 is than 7. 5 is than 8.
8 is than 5.
7 is than 9.
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Order of Numbers
4. Let’s count the legs of animals.

A goat has legs. A cock has legs.

A goat has greater number of legs than a cock.

A has smaller number of legs than a goat.

A cockroach has legs. A spider has legs.

A has greater number of legs than a spider.
A has smaller number of legs than a cockroach.

5. Now, let’s count the toes.

A human foot has toes. A dog has toes.

A has greater number of toes than a dog foot.

A has smaller number of toes than a human foot.

6. Let’s say the answers as quickly as possible.

a) In 7 and 11, which one comes before 11?

117 is smaller than 11 and is greater than 7.

b) In 23 and 32, which one comes before 32?

is smaller than 32 and is greater than 23.

c) In 76 and 67, which one comes after 67?

is smaller than 76 and is greater than 67.

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Order of Numbers
Greater and smaller numbers
7. Let’s say and write the answers as quickly as possible.
a) There are 5 members in Sita’s family and 7 members in Laxmi’s family.
Whose family has smaller number of members?
Whose family has greater number of members?
b) There are 26 students in class one and 29 students in class two.
Which class has greater number of students?
Which class has smaller number of students?
c) There are 14 boys and 18 girls in a class.
Who are greater in number, boys or girls?
Who are smaller in number, boys or girls?

d) There are 40 deers and 33 zebra in a zoo.
Which animals are in greater number?
Which animals are in smaller number?

It’s your time!
8. a) Let’s write any ive numbers greater than 40 and smaller than 50.

b) Let’s write any ive numbers greater than 85 and smaller than 100.

c) Let’s write your numbers!
is greater than
is smaller than

d) How many boys are there in your class?

e) How many girls are there in your class?

f) Who are greater in number, boys or girls?

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Order of Numbers We understood...!
Increasing order of numbers Increasing order
means smaller to
1 2 3 4 5 are in increasing order. greater numbers!

13 16 20 22 30 are also in increasing order.

1. Now, let’s write these numbers in increasing order.

a) 7 5 14 5 14
9 12

b) 8 24 18
15 6

2. Again, let’s write these numbers in increasing order.

a) 35 27 23 b) 86 74 95
32 30 39 78 81 90

39

23 74

It’s your time!
3. a) Let’s write any ive numbers between 10 and 30 in increasing order.

b) Let’s write any ive numbers between 40 and 60 in increasing order.

c) Let’s write any ive numbers between 70 and 100 in increasing order.

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Order of Numbers We got it...!
Decreasing order of numbers Decreasing order
10 9 7 5 3 are in decreasing order. means greater to
smaller number!
42 36 27 18 15 are also in decreasing order.

1. Now, let’s write these numbers in decreasing order.

a) 14 7

12 7 9

10 14

b)

18 13 15
11 16

2. Again, let’s write these numbers in decreasing order.

a) 48 52 45 b) 67 76 70
50 41 39 84 69 78

52 84

70

39

It’s your time!
3. a) Let’s write any ive numbers between 5 and 20 in decreasing order.

b) Let’s write any ive numbers between 30 and 50 in decreasing order.

c) Let’s write any ive numbers between 60 and 100 in decreasing order.

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Ordinal Numbers

An ordinal number tells the position of something.

Numbers One Two Three Four Five Six Seven Eight Nine Ten

Ordinal Numbers First Second Third Fourth Fifth Sixth Seventh Eighth Ninth Tenth
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th

Car Racing!

Look at the picture of racing cars given below.

C G F

E B

I A
D J

H

1. Let’s say and write the answers as quickly as possible.

a) Which is the irst car in the race? H

b) Which is the seventh car in the race?

c) Which is the third car in the race?

d) What is the position of the car F? Tenth
e) What is the position of the car G?

f) What is the position of the car A?

g) Which car is the winner in the race?

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Ordinal Numbers
2. Let’s say and write the answers as quickly as possible.

a) What is the colour in the third square? red yellow
b) What is the colour in the seventh square?
c) What is the colour in the irst square? green blue
d) What is the colour in the ifth square? pink purple
e) What is the colour in the second square?
orange
3. Ringing your school bell!

a) Which subject do you study in the irst bell?
b) Which subject do you study in the third bell?
c) Which subject do you study in the ifth bell?
d) In which bell do you have your Maths class?
e) In which bell do you have your Nepali class?
f) In which bell do you have your English class?

4. Let’s colour the pictures.

a) 5th with red

b) 2nd with green

c) 3rd with yellow 55 vedanta Excel in Mathematics - Book 1

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Ordinal Numbers
Reading Calendar

Baisakh 2078

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

56 7 1 2 3 4
12 13 14 8 9 10 11
19 20 21 15 16 17 18
26 27 28 22 23 24 25
29 30 31

5. Let’s say and write the answers as quickly as possible.

a) Sunday is the first 1st day of the week.

b) Monday is the day of the week.

c) Friday is the day of the week.

d) Wednesday is the day of the week.

e) is the 7th day of the week.

f) is the 3rd day of the week.

g) 25th Baisakh 2078 is Saturday
h) 22nd Baisakh 2078 is

i) 6th Baisakh 2078 is 56 Approved by Curriculum Development Centre, Sanothimi, Bhaktapur

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Devanagari Numbers (bj] gfu/L ;ª\Vof)

xfdf| ] b]z g]kfn emG8} !@% hfthfltx¿n] a;fj] f; u/]sf] Pp6f ;femf kmn" jf/L xf] . w]/}
hfthfltx¿sf] cf–cfˆgf] efiff 5 . h;dWo] gk] fnL efiff /fli6«o efiff tyf dfWod efiffsf ¿kdf
w]/} hfthfltx¿n] k|ofu] ub{5g\ . g]kfnL efiffsf] cfˆg} lnlk 5 . o;nfO{ b]jgfu/L lnlk elgG5 .

ca xfdL b]jgfu/L lnlkdf ;ª\Vof / ;ª\Vofsf] gfd s;/L nV] g] eGg] s'/f l;Sb} 5fF} .

lxGb'–c/las ;ª\Vof 1 2 3 4 5 6 7 8 9 10

b]jgfu/L ;ª\Vof ! @ # $ % ^ & * ( !)

bj] gfu/L ;ª\Vofsf] gfd Ps bO' { tLg rf/ kfFr 5 ;ft cf7 gf} b;

lxGb'–c/las bj] gfu/L ;ªV\ of b]jgfu/L ;ªV\ ofsf] lxGb'–c/las bj] gfu/L ;ªV\ of bj] gfu/L ;ª\Vofsf]
;ªV\ of gfd
;ª\Vof gfd
11 !! P3f/
21 @! PSsfO;
12 !@ afx|
22 @@ afO;
13 !# t]x|
23 @# t]O;

14 !$ rf}w 24 @$ rf}aL;
15 !% kGw| 25 @% kRrL;
16 !^ ;f]x| 26 @^ 5AaL;
17 !& ;q 27 @& ;QfO;
18 !* c7f/ 28 @* cÝfO;

19 !( pGgfO; 29 @( pgGtL;
20 @) aL; 30 #) tL;

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lxGb'–c/las bj] gfu/L ;ª\Vof bj] gfu/L ;ªV\ ofsf] lxGb'–c/las bj] gfu/L ;ªV\ of b]jgfu/L ;ªV\ ofsf]
;ªV\ of gfd ;ª\Vof gfd
#! ^^
31 #@ PstL; 66 ^& 5o;ÝL
32 ## aQL; 67 ^* ;t;ÝL
33 #$ t]TtL; 68 ^( c7;ÝL
34 #% rf}FtL; 69 &) pgG;Q/L
35 #^ k}FtL; 70 &! ;Q/L
36 #& 5TtL; 71 &@ PsxQ/
37 #* ;}tF L; 72 &# axQ/
38 #( c8t\ L; 73 &$ lqxQ/
39 $) pgGrfnL; 74 &% rf}xQ/
40 $! rfnL; 75 &^ krxQ/
41 $@ PsrfnL; 76 && 5oxQ/
42 $# aofnL; 77 &* ;txQ/
43 $$ lqrfnL; 78 &( c7xQ/
44 $% rjfnL; 79 *) pgf;L
45 $^ k}FtfnL; 80 *! c;L
46 $& 5ofnL; 81 *@ Psf;L
47 $* ;trfnL; 82 *# aof;L
48 $( c7rfnL; 83 *$ lqof;L
49 %) pgGrf; 84 *% rf}/f;L
50 %! krf; 85 *^ krf;L
51 %@ PsfpGg 86 *& 5of;L
52 %# afpGg 87 ** ;tf;L
53 %$ lqkGg 88 *( c7f;L
54 %% rjGg 89 () pgfgAa]
55 %^ krkGg 90 (! gAa]
56 %& 5kGg 91 (@ PsfgAa]
57 %* ;GtfpGg 92 (# aofgAa]
58 %( cG7fpGg 93 ($ lqofgAa]
59 ^) pgG;ÝL 94 (% rf}/fgAa]
60 ^! ;f7L 95 (^ kGrfgAa]
61 ^@ Ps;ÝL 96 (& 5ofgAa]
62 ^# ao;ÝL 97 (* ;GtfgAa]
63 ^$ lq;ÝL 98 (( cG7fgAa]
64 ^% rf}F;ÝL 99 !)) pgfG;o
65 k}F;ÝL 100 ;o

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Devanagari Numbers (bj] gfu/L ;ªV\ of)

!= j[Qleqsf] ;ª\Vofn] s'g ;ªV\ ofnfO{ hgfpF5 < lrGx -¹_ nufcf}F x} t .

9 (& * 5 $% ^ & 69 7

$ 84 5 27 @& @^ @* (! 81 71 91

@= g]kfnLdf ;ªV\ ofsf] gfd nv] fF} x} t .

# tLg $ %

@(&

* ^ !)

#= g]kfnL ;ªV\ ofdf n]vfF} x} t . gf}
rf/ ;ft

afx| kGw| tO] ;

krf; Ps;ÝL ;o

$= tkfOsF{ f] kl/jf/df slt hgf ;b:o x'gx' G' 5 <

%= tkfOs{F f] sIffdf slt hgf ljBfyLx{ ¿ xg' x' 'G5 <

^= tkfO{F slt jif{sf] xg' e' of] <

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3Unit Addition and Subtraction

hf]8 – 36fp uLt ufcf}F clg /dfcf}F Û
– kf]if/fh bfxfn

cfpm ;fyL vn] vn] fF} cªs\ en] f kf/L
yKg] clg 36fpg] kfnf] u/Lu/L
hf]8 eGbf a9\b} hfg] 36fp eGbf 36g\ ]
olt ;lhnf] 5 ;q" ;a} ldnL k9\g]

tLg :ofp ltdL vfpm, tLg xfdL vfG5fF}
hDdfhDdL 5cf6] fn] xfdL 8Dd xG' 5fF}
5cf]6fdf 5 g} 36b\ f z"Go xg' ] /Ú} 5
vfFbfvfbF } hf]8–36fp 1fg x'g] /}Ú5

kfFr hgf 8N' g egL hª\unlt/ uP
rf/ hgf ylkP5g\ hDdf gf} eP
bzcf]6f r/fx¿ ¿vdfly a;]
tLg p8] afsF L ;ft u'F8leq k;]

rf/ hgf ;fyLx¿ vn] vn] fF} eG5g\
c¿ rf/ cfPkl5 cf7 hgf xG' 5g\
cf7dWo] ;ft hgf xNnf ug{ vf]Hg]
afsF L Ps d 5' 1fgL s;nfO{ ;fyL /fH] g] <

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Addition - How many altogether

+= Addition means how many altogether?
+ (Plus) is the sign of addition.
1 inger and 2 more ingers, how many ingers = (Equal) is the sign of equal to.
altogether?

1 plus 2 is equal to 3 1 + 2 = 3

1. Let’s say and write the answers as quickly as possible.

a) =
+

1 inger and 2 more inge3rs, how many ingers altogether?
1 plus 2 is equal to
1+2= 3

b) + =

3 pencils and 2 more pencils, how many pencils altogether?

3 plus 2 is equal to 3+2=

c) =
+

4 books and 3 more books, how many books altogether?

4 plus 3 is equal to 4+3=

d) + =

3 eggs and 5 more eggs, how many eggs altogether?

3 plus 5 is equal to 61 3+5=

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Addition - How many altogether
2. Let’s count and add. Say and write the answers quickly.

+a) 2

2+4=6 +64

+b) 5
+3
+=

+c) 7
+4
+=

d) 6
+8
+
3
+= + 10

+e)

+=

+f) 5
+5
+=
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Addition - How many altogether

3. Let’s count, add, and find how many altogether.

a) 3 long pencils. 3
There are
+There are 5 short pencils. +5
pencils altogether.
There are 3 5 = 8 8

b) red lowers. +
There are yellow lowers.
There are
There are lowers altogether.

c) green triangles. +
There are pink triangles.
There are
There are triangles altogether.

d) red apples. +
There are green apples.
There are
There are apples altogether.

e) cats. +
There are rabbits. animals altogether.
There are
There are

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Addition - How many altogether
Drawing Time!

1. Let's draw as many dots in the boxes as the adding numbers.
Then, find how many dots altogether?

1+3 4 + = 4

2+3 +=

3+4 +=

3+5 +=

4+2 +=

4+5 +=

2+5 +=

6+3 =
+

5+5 =
+

It's your time!

2. Let’s draw any number of dots in each box. Add the dots

and find the total number of dots. = 2+3 = 5

+=

+= =+=

+= 64 =+=

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Addition - How many altogether

1. Let’s count forward and add. Say and write the answers as

quickly as possible.
Addition of 1 Addition of 2 Addition of 3

21 + 1 = 31 + 2 = 1+3= In 4 + 1, I should
count 1 step
2+1= 2+2= 52 + 3 = forward from 4.
4+1=5 !

3+1= 3+2= 3+3=

4+1= 4+2= 4+3= In 3 + 2, I should
5+1= 5+2= 5+3= count 2 steps
6+1= 6+2= 6+3= forward from 3.
3+2=5 !

7+1= 7+2= 7+3=

8+1= 8+2= 8+3= In 7 + 3, I should
9+1= 9+2= 9+3= count 3 steps
10 + 1 = 10 + 2 = 10 + 3 = forward from 7.
7 + 3 = 10 !

2. Let’s say and write the answers as quickly as possible.
4a) 3 birds and 1 more bird, how many birds altogether?
birds

b) 7 cows and 1 more cows, how many cows altogether? cows

c) 4 girls and 2 more girls, how many girls altogether? girls

d) 8 boys and 2 more boys, how many boys altogether? boys

e) 2 apples and 3 more apples, how many apples altogether? apples

f) 10 rupees and 3 more rupees, how many rupees altogether? rupees

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Addition - How many altogether

1. Let’s count forward and add. Say and write the answers as
quickly as possible.

Addition of 4 Addition of 5 Addition of 6

1+4= 5 1+5= 1+6= In 2 + 4,
2+4= 6 I should count 4 steps
3+4= 2+5= 2+6= forward from 2.
2 + 4 = 6!
4+4= 83 + 5 = 3+6=
In 4 + 5,
4+5= 104 + 6 = I should count 5 steps
forward from 4.
5+4= 5+5= 5+6= 4 + 5 = 9!

6+4= 6+5= 6+6=

7+4= 7+5= 7+6= In 5 + 6,
8+4= 8+5= 8+6= I should count 6 steps
9+4= 9+5= 9+6= forward from 5.
5 + 6 = 11!

10 + 4 = 10 + 5 = 10 + 6 =

2. Let’s say and write the answers as quickly as possible.
6a) 2 cats and 4 more cats, how many cats altogether?
cats

b) 9 pencils and 4 more pencils, how many pencils altogether? pencils

c) 1 book and 5 more books, how many books altogether? books

d) 5 sweets and 5 more sweets, how many sweets altogether? sweets

e) 6 boys and 6 girls, how many children altogether? children

f) 8 apples and 6 oranges, how many fruits altogether? fruits

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Addition - How many altogether

1. Let’s count forward and add. Say and write the answers as
quickly as possible.

Addition of 7 Addition of 8 Addition of 9 Addition of 10

1+7= 1+8= 1+9= 1 + 10 =

2+7= 9 2+8= 2+9= 2 + 10 =

3+7= 3+8= 3+9= 3 + 10 =

4+7= 4+8= 4+9= 4 + 10 =
5+7= 5+9= 5 + 10 =
5 + 8 = 13

6+7= 6+8= 6+9= 6 + 10 =

7+7= 7+8= 7+9= 7 + 10 =

8+7= 8+8= 8+9= 8 + 10 =

9+7= 9+8= 9+9= 9 + 10 = 19

10 + 7 = 10 + 8 = 10 + 9 = 10 + 10 =

2. Let’s say and write the answers as quickly as possible.

10a) 3 boys and 7 girls, how many students altogether? students

b) 6 men and 7 women, how many people altogether? people

c) 2 cats and 8 dogs, how many animals altogether? animals

d) 8 pigeons and 8 parrots, how many birds altogether? birds

e) 5 rupees and 9 rupees, how many rupees altogether? rupees

f) 10 rupees and 10 rupees, how many rupees altogether? rupees

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Addition - How many altogether

Let’s play cross-search

1. First add the numbers. Then, search for the number names of the
questions in the grid as quickly as possible.

2+3= 4+6= 7+5=

10 + 1 = 9+7= 8+9=

6+7= 5+2= 3+6=

TWE L V E N O F Y
S P C TWK F X I V
SGLEETENV I
I A OD L HM P E T
XEPTESE V EN
TF I SVTQNL I
E S EVENT E EN
EFOPNSQ L TE
NMD C I X V Y A B
ETH I RTE ENZ

2. Let’s draw circles around the two numbers. The sum of two
numbers is the same as the one given below each grid.

36502 15783 40579
14894 9 0 5 10 0
78165 84671 1824 3
2 1 10 3 8 52364 11 7 10 4 8
89027 37928 10 12 5 6 9
6 0 2 10 6
The sum is 9.
The sum is 10. The sum is 12.
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Addition - How many altogether

Game time!

71
54

0
These are the numbered cubes. The faces of each 3 5 2 1 4 2

cube is marked with the numbers from 0 to 5,

1 to 6, 2 to 7, etc. 24 37

1. Let's take two numbered cubes and roll them. Add the
numbers that turned up.

1233 +5 =8 361 += +=740
875 456 624
+= += +=

+= += +=

6 3 6
0 2 4

+= += +=

It's your time!

2. Let's write any two number from 1 to 5. Add them and find

th1e s+um1. = 2 3 +4 =7 +=

+= += +=

+= += +=

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Addition - How many altogether
Story of addition!

1. Let's add and complete the stories of numbers.
Story of making 1 Story of making 2 Story of making 3

1+0= 2+0= 3+0=

1+1= 2+1=

Story of making 4 Story of making 5 Story of making 6

4+0= 5+0= 6+0=

3+1= 4+1= 5+1=
2+2= 3+2=
Story of making 7 Story of making 8 4+2=

3+3=
Story of making 9

7+0= 8+0= 9+0=

6+1= 7+1= 8+1=
7+2=
5+2= 6+2= 6+3=
5+4=
4+3= 5+3=

Story of making 10 4+4=

10 + 0 = 9+1= 8+2=

7+3 = 6+4= 5+5=

It's your time!
2. Let's write the missing numbers and complete the story of

making number.

0+ 1+ 0+ 1+

6 7

2+ 3+ 2+ 3+

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Addition - How many altogether

3. Let's write the missing numbers and complete the story of
making number.

0+ 1+ 0+ 1+

8 3+ 2+ 9 3+

2+ 4+ 4+ 5+

0+ 1+ 0+ 1+

2 + 10 3 + 2 + 12 3 +

4+ 5+ 4+ 5+

It's your time! 6+

4. Let's add two numbers to match the given total.

+ =5 + =6 + =7

+ =8 + =9 + = 10

5. Let's add any two numbers from 1 to 10 and find the total.

4 + 5 =9 += +=

+= += +=
71
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Addition - How many altogether

Let’s find the sum!
Let's add the numbers and find the sums as quickly as
possible.

12564
+3 +8 +4 +6 +7

8 9 10 7 5
+5 +6 +7 +5 +9

78623
+3 +1 +7 +6 +8

97 8 5 10

+8 +7 + 10 + 10 +9

49 7 2 10
+8 +9 +8 +9 +10

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Addition - How many altogether
Addition on Number Line

Counting forwards from 0 to 10 on a number line.

1. Let’s jump forwards and add the numbers.

a) Go to 2. Jump 3 steps forwards. You reach at 5.
2+3

b) 2 + 3= 5
2+5
Go to 2. Jump 5 steps forwards. You reach at 7.

+=

c) Go to 3. Jump 6 steps forwards. You reach at 9.
3+6

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vedanta Excel in Mathematics - Book 1

Addition - How many altogether

Counting forwards from 0 to 10 on a number line.
2. Let’s add on number line.
a) 1 + 2 jumps

1+2=

b) 2 + 4 jumps 2+4=
3+3=
3 + 3 jumps

c)

d) 0 + 5 jumps 0+5=
e) 4 + 3 jumps 4+ =

f) 5 + 4 jumps
5+ =

g) 1 + 7 jumps

+7=

h) 6 + 4 jumps +4=
i) 7 + 2 jumps

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Addition - How many altogether

Let’s use addition in our real life!

1. Let's read the following problems carefully and answer
them.

a) 1 pencil and 3 more pencils, 1
how many pencils altogether? + +3

1 + 3 = 4 pencils. 4

b) 2 books and 4 more books, +
how many books altogether? +

c) 3 tables and 5 more tables, +
how many tables altogether? +

d) 4 apples and 6 more apples, +
how many apples altogether? +

e) 5 erasers and 4 more erasers, ++
how many erasers altogether?

f) 7 chocolates and 8 more chocolates, ++
how many chocolates altogether?
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Addition - How many altogether

Let’s use addition in our real life!

2. Let's read the following problems carefully and answer
them.

a) 5 boys and 6 girls, how 5

many children altogether? +6

5 + 6 = 11 children 11

b)

4 women and 3 men, how
many people altogether?

c)
2 oranges and 8 apples, how

many fruits altogether?

d)

9 sparrows and 7 parrots,
how many birds altogether?

e)
6 cats and 3 dogs, how

many animals altogether?

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Addition - How many altogether

Let’s use addition in our real life!

3. Let's read the following problems carefully and answer

them. 7

a) Sunayana has 7 chocolates. Her brother gives her

5 more chocolates. How many chocolates does +5
she have now altogether? 12

She has 7 + 5 = 12 chocolates.

b) Lakpa has 4 balloons and Pinky has 6 balloons.
How many balloons do they have altogether?

They have

c) There are 8 red lowers and 9 yellow lowers
in a garden. How many lowers are there in the
garden?

There are

d) There are 6 cows and 7 buffalos in a farm. How
many animals are there in the farm?

There are

e) The cost of a pencil is 8 rupees and the cost of an
eraser is 5 rupees. What is the total cost of these
two items?

The total cost is

f) The cost of a biscuit is 10 rupees and the cost of a
sweet is 9 rupees. What is the total cost of these
two things?

The total cost is 77 vedanta Excel in Mathematics - Book 1

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Subtraction - How many are left

Subtraction means how many are left?
– (Minus) is the sign of subtraction.
= (Equal) is the sign of equal to.

1. Let’s say and write the answer as quickly as possible.

a) There are 5 pencils in the box.

You take away 2 pencils.

How many pencils are left in the box?

5 minus 2 is equal to 3.

5–2=3

b) There are 7 apples in the basket.

Sister takes away 3 apples.

How many apples are left in the
basket?

7 minus 3 is equal to

7–3=

c) There are 6 birds on the ground.

4 birds ly away.

How many birds are left on the ground?

6 minus 4 is equal to

6–4=

d) You have 10 marbles. You give
5 marbles to your friend. How many
marbles are left with you now?
10 minus 5 is equal to

10 – 5 =

vedanta Excel in Mathematics - Book 1 78 Approved by Curriculum Development Centre, Sanothimi, Bhaktapur

Subtraction - How many are left

2. Let’s count and take away the crossed pictures. Say and
write how many are left?

From 6, take away 2 = 4 left From 8, take away 4 = 4 left
6–2=4 8–4=

From 7, take away 5 = left From 9, take away 3 = left
7–5=

From 5, take away 5 = left From 10, take away 7 = left

From 6, take away 3 = left From 9, take away 6 = left

From 11, take away 6 = left From 12, take away 8 = left

Approved by Curriculum Development Centre, Sanothimi, Bhaktapur 79 vedanta Excel in Mathematics - Book 1

Subtraction - How many are left

3. Let’s count and take away the crossed pencils. Say and
write how many pencils are left.

4 5
–3 –3

4–3=1 1 5–3=

vedanta Excel in Mathematics - Book 1 80 Approved by Curriculum Development Centre, Sanothimi, Bhaktapur

Subtraction - How many are left

4. Let’s count and cross the pencils to match the given
subtraction. Say and write how many pencils not crossed.

5 7
–2 –3

5–2=3 3 7–3=

10
–5

10 – 5 = 8–1=

9–6= 4–4=
–5= –8=

–3= 81 12 – 6 =

Approved by Curriculum Development Centre, Sanothimi, Bhaktapur vedanta Excel in Mathematics - Book 1

Subtraction - How many are left

Drawing time!

5. Let's draw the dots and circle the dots to take away. Say

and write how many dots are left.

3–1 =2

Two dots are left.

3–2

= dot is left.

4–3

= dot is left.

5–2

= dots are left.

6–4

= dots are left.

7–7 = dot is left.

8–5 = dots are left.

9–3 = dots are left.

10–6 = dots are left.
11–5
= dots are left.
vedanta Excel in Mathematics - Book 1
82 Approved by Curriculum Development Centre, Sanothimi, Bhaktapur

Subtraction - How many are left

1. Let’s count backwards and subtract. Say and write the
answers as quickly as possible.

Subtraction of 1 Subtraction of 2 Subtraction of 3

1–1= 2–2= 3–3= In 5 – 1,
2–1= 3–2= 4–3= I should count 1 step
backward from 5.
5–1=4

3–1= 4–2= 5–3=

4–1= 5–2= 6–3=

5–1= 6–2= 7–3= In 8 – 2,
6–1= 7–2= 8–3= I should count 2 steps
backward from 8.
8–2=6

7–1= 8–2= 9–3=

8–1= 9–2= 10 – 3 =

9–1= 10 – 2 = 11 – 3 =

10 – 1 = 11 – 2 = 12 – 3 =

2. Let’s say and write the answers as quickly as possible.

a) From 3 sweets, take away 1 sweet. sweets are left.

b) From 7 apples, take away 1 apple. apples are left.

c) From 5 children, 2 children run away. children are left.

d) From 10 dogs, 2 dogs run away. dogs are left.

e) From 6 pigeons, 3 pigeons ly away. pigeons are left.

f) From 12 birds, 3 birds ly away. birds are left.

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Subtraction - How many are left

3. Let’s count backwards and subtract. Say and write the
answers as quickly as possible.

Subtraction of 4 Subtraction of 5 Subtraction of 6 In 6 – 4, I should
count 4 steps
4–4= 5–5= 6–6= backward from 6.
6 – 4 = 2!
5–4= 6–5= 7–6=

6–4= 7–5= 8–6=

7–4= 8–5= 9–6= In 9 – 5,
8–4= 9–5= 10 – 6 = I should count 5 steps
9–4= 10 – 5 = 11 – 6 = backward from 9.
9 – 5 = 4!

10 – 4 = 11 – 5 = 12 – 6 =

Subtraction of 7 Subtraction of 8 Subtraction of 9 In 10 – 6,
I should count 6 steps
7–7= 8–8= 9–9= backward from 10.
10 – 6 = 4!
8–7= 9–8= 10 – 9 =

9–7= 10 – 8 = 11 – 9 =

10 – 7 = 11 – 8 = 12 – 9 =

4. Let’s say and write the answers as quickly as possible.

a) From 4 oranges, take away 4 oranges. orange is left.

b) From 7 cherries, take away 5 cherries. cherries are left.

c) From 10 pencils, take away 6 pencils. pencils are left.

d) From 8 birds, 7 birds ly away. birds are left.

e) From 11 mice, 8 mice run away. mice are left.

f) From 12 rupees, you spend 9 rupees. rupees are left.

vedanta Excel in Mathematics - Book 1 84 Approved by Curriculum Development Centre, Sanothimi, Bhaktapur

Subtraction - How many are left
1. Let’s make the story of getting a number by subtraction!

Getting 1 Getting 2 Getting 3 In 5 – 4,
1–0= 2–0= 3–0= 4 is one step before 5.
5 – 4 = 1!
2–1= 3–1= 4–1=

3–2= 4–2= 5–2= In 9 – 7,
4–3= 5–3= 6–3= 7 is two steps before 9.
5–4= 6–4= 7–4= 9 – 7 = 2!

6–5= 7–5= 8–5=

7–6= 8–6= 9–6= In 11 – 8,
8–7= 9–7= 10 – 7 = 8 is three steps before 11.
9–8= 10 – 8 = 11 – 8 = 11 – 8 = 3!

10 – 9 = 11 – 9 = 12 – 9 =

2. Let's say and write the missing number in the blank spaces.
Then, get the given number.

4– 0 5– 1 6– 5– 6– 7– 2
7– 8–
9– 4 10 – 8– 5 9–

10 – 11 –

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Subtraction - How many are left

Difference of two numbers

1. Let's subtract smaller number from bigger one. Then, find
the difference of the numbers.

a) The difference of 9 and 4 is 9–4 = 5 It's easier!
b) The difference of 6 and 2 is The difference of 9
6–2 = and 4 is 9 – 4 = 5

c) The difference of 8 and 3 is =

d) The difference of 4 and 1 is =
e) The difference of 7 and 5 is
f) The difference of 10 and 9 is I know!
To find difference

= of two numbers,

I should subtract
smaller number

= from bigger one!!

g) The difference of 3 and 3 is =

h) The difference of 5 and 0 is =

i) The difference of 9 and 6 is =

j) The difference of 10 and 3 is =

2. Let’s say and write the answers as quickly as possible.

a) What is the difference of 4 and 2?

b) What is the difference of 5 and 2?

c) What is the difference of 6 and 1?

d) What is the difference of 7 and 3?

vedanta Excel in Mathematics - Book 1 86 Approved by Curriculum Development Centre, Sanothimi, Bhaktapur

Subtraction - How many are left

It's your time!

1. Let's write missing numbers in the blank spaces to get the

given differences.

5– 3 =2 4– =3 5– =1

6– =2 7– =5 8– =4

2. Let's write correct numbers in the blank spaces to get the
given differences.

– =0 – =1 – =2

– =3 – =4 – =5

3. Let's write any bigger and a smaller number in the blank
spaces. Then subtract and find the differences.

–= –= –=

–= –= –=

Puzzle Time!

4. Let’s fill in the missing numbers as quickly as possible.
6 –3=3 9 – 2=7

––– –––
–=
2 2– = 0
===
===
5 – 1=
34 – 1 =

10 – =4 8– =3

––– –––
–=
– =0

=== ===

7– =4 6– =2

Approved by Curriculum Development Centre, Sanothimi, Bhaktapur 87 vedanta Excel in Mathematics - Book 1

Subtraction - How many are left
Subtract on number line

Counting backwards from 10 to 0 on a number line.

1. Let’s jump backwards and subtract the numbers.

a) 3 – 2 Go to 3. Jump 2 steps backwards. You reach at 1.

3 – 2=

b) 6 – 4 Go to 6. Jump 4 steps backwards. You reach at 2.

6 –4 =

c) 9 – 5 Go to 9. Jump 5 steps backwards. You reach at 4.

vedanta Excel in Mathematics - Book 1 88 9 –5=

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Subtraction - How many are left
2. Let's jump backwards and subtract the number.
a)

3–1=2

b)

5–2=

c)

7–3=

d)

6–5=

e) 7–4=
f) =
=
g) =
=
h)
vedanta Excel in Mathematics - Book 1
i)

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Subtraction - How many are left
3. Let's subtract and find the difference as quickly as

possible.

24869
–1 –2 –3 –4 –5

7 10 5 3 8
–2 –7 –0 –2 –1

10 8 2 9 7
–6 –7 –2 –3 –4

6 9 10 8 7
–2 –6 –8 –4 –3

69 7 10 5
–3 –4
–5 –3 –2
vedanta Excel in Mathematics - Book 1
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Subtraction - How many are left
Let's use of subtraction in our real life!

1. Let's read the following problems carefully and answer
them.

a) You have 4 apples. You give
1 apple to your friend. How 4

many apples are left with you? – 1

4 – 1 = 3 apples are left. 3

b) Brother has 7 pencils. He gives
3 pencils to me. How many
pencils are left with him?

= pencils are left.

c) There are 5 birds on the
ground. 2 birds ly away. How
many birds are left on the
ground?

= birds are left.
d)

There are 6 children. 4 of
them are girls. How many are
boys?

= are boys.

e) There are 10 lowers. 3 of them
are yellow and the rest are red.
How many red lowers are there?

Approved by Curriculum Development Centre, Sanothimi, Bhaktapur = are red lowers.
91
vedanta Excel in Mathematics - Book 1

Subtraction - How many are left

2. Let's read the following problems carefully and answer
them.

a) Bishwant has 7 chocolates. He gives 4 chocolates to 7
his sister. How many chocolates are left with him
now? –4
3
7 – 4 = 3 chocolates are left.

b) Pinky has 10 rupees. She pays 6 rupees to buy a
pencil. How many rupees are left with her?

= rupees are left.

c) There are 8 children in the ground. 5 of them are
boys. How many are girls?

= are girls.

d) There are 9 people in a room. 7 of them are women.
How many are men?

= are men.

e) Mother makes 6 omelettes. Brother and sister eat 2
omelettes. How many omelettes are left?

= omelettes are left.

f) You have 8 rupees. You spend 3 rupees to buy an
eraser. How many rupees are left with you?

= rupees are left.

vedanta Excel in Mathematics - Book 1 92 Approved by Curriculum Development Centre, Sanothimi, Bhaktapur

Addition and Subtraction
Addition and Subtraction go together
1. Let's investigate how addition and subtraction go together.

+ 2 + 1 = 3 and 13 – 2 =
+ 1 + 2 = 3 and 23 – 1 =

+ 3 + 2 = and 5–3=
+ 2 + 3 = and 5–2=

+ 4 + 3 = and 7–4=
+ 3 + 4 = and 7–3=

+ 5+4= and 9–5=
9–4=
+ 4+5= and

+ 6+5= and 11 – 6 =
11 – 5 =
+ 5+6= and
vedanta Excel in Mathematics - Book 1
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Addition and Subtraction

2. Let's say and write the answers as quickly as possible.

1+3= Then, 4 – 1 = and 4 – 3 =

5+2= Then, 7 – 5 = and 7 – 2 =

3+6= Then, 9 – 3 = and 9 – 6 =

2+8= Then, 10 – 2 = and 10 – 8 =

4+1= Then, 5 – 4 = and 5 – 1 =

3+5= Then, 8 – 3 = and 8 – 5 =

7+2= Then, 9 – 7 = and 9 – 2 =

4+3= Then, 7 – 4 = and 7 – 3 =

3. Let's add first and then take away.

85 4
–3 +3
–2 +2 –2 +2
10

6 6 5+4=9 7
–3 +3 –4 +4 and –3 +3

9–4=5

vedanta Excel in Mathematics - Book 1 94 Approved by Curriculum Development Centre, Sanothimi, Bhaktapur

4Unit Two-Digit Numbers

Digit and Number

1 is a number. It shows one object.

It has one digit which is 1 itself.

9 is a number. It shows nine objects.
It has one digit which is 9 itself.

10 is a number. It shows ten objects.
It has two digits which are 1 and 0.

27 is a number. It shows twenty seven objects.
It has two digits which are 2 and 7.

1. Let's say and write the answers of the following questions as

quickly as possible. I got it!
34 is a two digit
a) How many digits are there in the number 8? number.
b) What is the digit in the number 6? 3 and 4 are the
digits of 34!

c) How many digits are there in the number 34?

d) What are the digits in the number 75? and

It's your time!

2. Let's write any two one-digit numbers. Also, write the number names.

a) Number is Number name is

b) Number is Number name is

3. Let's write any two two-digit numbers. Also, write the number names.

a) Number is Number name is

b) Number is Number name is

Approved by Curriculum Development Centre, Sanothimi, Bhaktapur 95 vedanta Excel in Mathematics - Book 1

Counting and Writing Tens
Grouping into Tens

1. Let's count the bundles, tens and number of pencils.

It is 1 bundle of 10 pencils.

It is 1 ten.

There are 10 pencils in 1 ten.

There are 2 bundles of 10 pencils.

There are 2 tens.

There are 20 pencils in 2 tens.

There are bundles of pencils.

There are tens.

There are pencils in 3 tens.

There are bundles of pencils.

There are tens.

There are pencils in 4 tens.

There are bundles of pencils.

There are tens.

There are pencils in 5 tens.

2. Let’s say and tick (¹) the correct answers as quickly as
possible.

a) How many tens are there in 10? 2 tens 1 ten 3 tens
b) How many tens are there in 20? 1 ten 3 tens 2 tens

c) How many tens are there in 30? 3 tens 4 tens 2 tens

d) How many tens are there in 40? 2 tens 4 tens 5 tens

e) How many tens are there in 50? 5 tens 3 tens 4 tens

vedanta Excel in Mathematics - Book 1 96 Approved by Curriculum Development Centre, Sanothimi, Bhaktapur

Counting and Writing Tens

3. Let's say and write the answers as quickly as possible.
6How many bundles of pencils are there?

10How many pencils are there in each bundle?
6How many tens are there?
tens

60How many pencils are there in 6 tens?

How many bundles of pencils are there?

How many pencils are there in each bundle?

How many tens are there? tens

How many pencils are there in 7 tens?
How many bundles of pencils are there?

How many pencils are there in each bundle?

How many tens are there? tens

How many pencils are there in 8 tens?

How many bundles of pencils are there?

How many pencils are there in each bundle?

How many tens are there? tens

How many pencils are there in 9 tens?
4. Let's match the correct answers as quickly as possible.

a) 6 tens 80 We got it!
b) 7 tens
In 60, there are 6 tens.

90 6 tens = 60

c) 8 tens 60

d) 9 tens 70 vedanta Excel in Mathematics - Book 1
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Counting and Writing Tens

5. Let's say and write the numbers and number names.

a) 1 ten = 10 Ten 20b) 2 tens = Twenty

c) 3 tens = d) 4 tens =

e) 5 tens = f) 6 tens =

g) 7 tens = h) 8 tens =

i) 9 tens =

Well done ! Now, let’s learn how many pencils are there in 10 tens.
There are 10 bundles of 10 pencils.
There are 10 tens.
There are 100 pencils in 10 tens.

10 tens = 100 One hundred.

6. Let's say and write how many tens, and how many pencils?

a) b)

2 20tens = pencils tens = pencils

c) d)

tens = pencils tens = pencils

e) f)

tens = pencils tens = pencils

vedanta Excel in Mathematics - Book 1 98 Approved by Curriculum Development Centre, Sanothimi, Bhaktapur