CHAMPIONS G2 V1

6. Complete the family of facts. Unit 22

7+4= 9+3= 8+4= 8+3= 9+2=
4+ 7=
11 – 7 = 12 – 6 =
11 – 4 = 12 – 5 =
12 – 7 =
7. Find the difference. 11 – 6 = 12 – 4 = 12 – 9 =
11 – 2 = 12 – 3 =
11 – 3 = 11 – 4 = 12 – 8 =
11 – 5 = 11 – 8 = 12 – 2 =
11 – 7 =
11 – 9 =

8. A circus has come to town with 11

monkeys. Three of them ran away.
How many stayed with the circus?

9. Mother had prepared 12 fish for

lunch. We ate only 8 of them.
How many fish were left?

10. Fred had 12 marbles. He lost 5 of them. 11. Jim is 5 years old. Peter is 6 years

How many marbles does he have left? older. How old is Peter?

He buys 40 more. How many Roy is 4 years younger than Peter.
marbles does he have now? How old is Roy?

49

Locating Boxes

1. Write the initial of each girl’s name.

s
m

tp

2. Color.

a ad
b
b
c c
d
4. Complete the table.
3. Write the pairs. b c
y
a r (r, x)
m (m, a)
n (s, y)
p t (t, z)
50

5. Write the ordered pair that indicates Unit 23

the position of each figure. 6. Draw the figures in the boxes

123456 corresponding to the ordered pairs.
a
b (b,5) (e,2) (c,1) (a,3) (f,4) (d,6)
c
d 123456
e a
f b
c
(c,4) d
e
f

7. Six friends went camping.

Use the grid to find out their names.

1 2 3 4 5 (a, 1), (c, 2), (d, 1), (e, 4), (a, 4) :

a F X B D Y (d, 3), (c, 5), (a, 5), (d, 3), (c, 2) :

b N T O S K (b, 5), (c, 2), (e, 1), (c, 2), (d, 3) :

c H A V G E (d, 1), (e, 4), (e, 1), (c, 2) :

d R J L U Z (b, 2), (b, 3), (b, 1), (a, 5) :

e M C Q I P (b, 1), (c, 2), (a, 4), (c, 2) :

51

Addition and Subtraction

1. Add to ten. Then find the sum.

9 + 4 = 9 + + = 9 + 5 = 9 + + =

8+5= 8 + + = 7 + 7 = 7 + + =

7+6= 7 + + = 8+6= 8 + + =

2. Add: begin with the greater number.

6+7= 4+8= 7+4= 7+7=
9+4= 5+9= 8+5= 8+6=

3. Complete the equations.

5+ = 10 8+ = 10 9+ = 10 6+ = 10
= 13
5+ = 13 8+ = 14 9+ = 13 6+ = 13

5+ = 14 8+ 9+ = 14 6+ = 14

4. Complete. 12 11 14
6+
13 5+ 4+ 5+
6+ 3+ 2+ 8+
4+ 8+ 7+
5+

5. Michael had 13 bottles of juice. 6. Brenda has 6 big dolls and 8 small

He drank 4 of them. ones. How many dolls does she have?
How many bottles has he got left?

The next day he bought ten bottles. Nine of her dolls are dressed in red,
How many does he have now? and the others in white.
How many dolls are dressed in white?

52

7. Complete the family of facts. Unit 24

6+7= 5+8= 5+9= 8+6= 9+4=
7+6 =
13 – 6 = 14 – 7 =
13 – 7 = 11 – 8 =
13 – 8 =
8. Find the difference. 12 – 5 = 14 – 6 =
11 – 6 = 12 – 9 =
11 – 3 = 13 – 9 = 13 – 4 =
14 – 5 =
13 – 7 =

9. There are 13 children but only 7

balloons. How many balloons do we
still need to give one to each child?

10. Mona picked 14 roses: six of them are

red and the others yellow.
How many yellow roses did she pick?

11. Eight girls and five boys got on the 12. Ryan had 14 chocolate bars.

bus. How many children are there He ate 5 of them.
on the bus? How many bars does he have left?

At the bus-stop 9 children got off. How He then gave 3 bars to his sister.
many children remained on the bus? How many does he have now?

53

Zero Through Ninety-Nine

1. Write the numerals. 2. Write in words.

seventy-three : 47 :
ninety-seven : 86 :
fifty-nine : 79 :
sixty-one : 95 :

3. Write the number just before and the number just after.

36 54 67
40 31 79
69 80 20

4. Complete. 80 – 1 = 91 – 1 = 19 + 1 =
36 – 1 = 76 – 1 = 69 + 1 =
25 + 1 = 90 – 1 = 70 – 1 = 47 + 1 =
30 + 1 =
79 + 1 = 6. Complete. 57 – 2 =
40 – 2 =
5. Complete with suitable numbers. 34 + 2 = 71 – 2 =
68 + 2 =
30 < < 40 < < 50 89 + 2 =
50 < < 60 < < 70
70 < < 80 < < 90

7. Write the following numbers in the appropriate blanks.

52 93 40 78 60 90

38 < < 43 < < < 73 < < < < 96

8. Peter and Paul are counting their 9. 37 guests came to Charlotte’s party.

marbles. Peter has 74 marbles and She had bought 3 tens of cakes.
Paul has 8 tens. Could she offer one cake to all of her
Who has more marbles? guests?

54

10. Count by twos from 36 to 52. Unit 25
12. Count by fives from 40 to 85.
11. Count by threes from 15 to 42.

13. Count by tens from 7 to 97.

14. There were 37 cyclists at the start

of the race. Seven of them left
half-way through. How many
cyclists got to the finishing line?

15. Susan can put 60 books in her

bookcase. She has already put 4 tens.
How many more books can she still
put?

16. .‫َأ ْك ُت ُب اأَْل ْعدا َد ِبا ْل َع َر ِب َّية‬

: 54 : 34 : 89 : 36
: 60 : 26 : 97 : 57
: 96 : 85 : 75 : 68
: 78 : 90 : 63 : 45
: 87 : 64 : 41 : 20

17. .٦٣ ‫ ِإلى‬٤٦ ‫َأ ْك ُت ُب ِم ْن‬

55

Locating Dots

1. Write the ordered pair that indicates the position of each figure.

6 (2 , 4)
5
4
3
2
1
0

01 2 3 4 5 6

2. Draw the shapes on the dots indicated by the pairs.

(2 , 4) 6
(4 , 2) 5
(5 , 6) 4
(1 , 2) 3
(1 , 6) 2
(5 , 3) 1
0

01 2 3 4 5 6

56

3. Write the ordered pair that indicates Unit 26

the position of each point. 4. Place the points on the suitable

AB CDE F dots of the grid.
MN P QR
(3, )
(12,1) (10,6) (1,8) (17,4) (15,5)

9

8C
D

7

6

A

5

4 B
F
3

2

E

1

0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

5. Copy the polygon onto the grid on the right.

9 9
8 8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
0 0

0 1 2 3 4 5 6 7 8 9 10 11 0 1 2 3 4 5 6 7 8 9 10 11

57

Addition and Subtraction

1. Add to ten. Then complete.

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

2. Add. 7+7= 6+6= 9+9=
7+8= 6+7= 9+8=
8+8=
8+9=

3. Complete. 15 9+ 4. Complete. 9+
8+ 7+
7+ 8 + 16

6+

5. Find the sum. 4+8= 6+8= 6+9=
6+5= 8+9= 7+6=
9+4= 7+4= 3+9= 5+7=
8+7=
7+9=

6. A farmer had 9 white hens and 7. Katia is 7 years old.

6 black ones. Charles is 9 years older.
How many hens did he have in all? How old is Charles?

He sold 8 hens. Gina is 8 years younger than
How many did he have left? Charles.
How old is Gina?

58

8. Complete the family of facts. Unit 27

9+6= 9+8= 7+5= 8+7= 7+9=

6+9 = 13 – 9 =
15 – 9 = 16 – 9 =
15 – 6 = 14 – 6 =

9. Find the difference.

15 – 7 = 18 – 9 = 15 – 8 =
16 – 8 = 17 – 8 = 16 – 7 =
14 – 5 = 15 – 6 = 17 – 9 =

10. There were 18 acorns in a tree.

A squirrel ate 9 of them.
How many acorns did it leave?

11. A salesman had 17 bicycles.

He sold 9 of them.
How many bicycles has he got left?

12. Mother bought 16 cup cakes. 13. Riad picked 6 pears and Mark

Tom ate 4 and Sam 3. picked 3 more than Riad.
How many cakes did they eat in all? How many pears did Mark pick?

How many cakes does Mother have How many did they pick in all?
left?

59

Capacity

The glass and the bowl The capacity of the bottle The capacity of the
have the same capacity. is smaller than that of the watering-can is bigger
saucepan. than that of the tray.

The unit used for measuring the capacity is the liter.

One liter can approximately fill 4 glasses.

1 liter

1. Complete with either “more than a liter” or “less than a liter”.

60

Unit 28

2. Experimentation

Material: a container holding one liter, dishes, cups, cans, buckets, gallons, pails...

One liter fills cups. A pail holds liters.
One liter fills dishes. A bucket holds liters.
One liter fills cans. A gallon holds liters.

3. Estimate, in liters, the capacity of a watering-can :
a tank of gasoline :
a bottle of wine :
a cask of oil :

4. Father emptied 7 liters into a pail 5. Rami empties the water in a bucket

with a capacity of 15 liters. into 2 containers with a capacity of
How many liters must he still add 7 and 13 liters.
to fill the pail? What is the capacity of the bucket?

6. A dealer has two barrels, the first

holding 30 liters of vinegar and the
second 10 liters less.
How many liters of vinegar are
there in the second barrel?

How many liters of vinegar do the
2 barrels hold?

61

Addition and Subtraction

1. Complete the equations.

8+6= 8 + = 13 16 – 9 = 12 – 8 =
7+4= 6 + = 15 15 – 7 = 14 – 6 =
9+8= 9 + = 12 13 – 4 = 17 – 8 =

2. After dinner, 8 apples and 5 pears 3. Susan planted 16 carnation seeds.

remained in a basket. How many Nine of them sprouted.
fruits remained in the basket? How many seeds did not sprout?

4. Count by twos from 55 to 73. 5. Count by threes from 14 to 38.

6. Mike had 9 marbles. In the first

game he won 5, and in the second
he lost 6.
How many marbles did he have after
the first game?

How many does he have now?

7. Complete. (15 – 7) + 4 = 15 – (11 – 6) =
(12 – 4) – 6 = 8 + (17 – 9) =
15 – (4 + 5) = (17 – 8) + 1 = 10 – (14 – 6) =
13 – (9 – 2) =
16 – (4 + 2) = 62

Unit 29

8. Find the difference. Put a cross (X) whenever it is impossible to subtract.

8–5= 5–3= 6–6= 4–7=
7–5= 4–3= 7–6= 5–7=
6–5= 3–3= 8–6= 6–7=
5–5= 2–3= 9–6= 7–7=

9. Find the difference. Put a cross (X) whenever it is impossible to subtract.

9–7 = 15 – 6 = 6–9= 7–5=
3–8 = 5–7 = 16 – 9 = 5–7=
12 – 4 = 15 – 7 =
13 – 4 = 9–6 =

10. Complete the tables. +768 +5 7
+6 14
7 15 17 15 13
9 13 13

11. Add.

30 + 20 + 5 = 5 + 5 + 50 = 10 + 50 + 20 =
60 + 9 + 20 = 3 + 40 + 7 = 20 + 30 + 40 =

12. There are 8 apple trees in an orchard.

The gardener planted 5 cherry trees
and 2 pear trees.
How many trees did he plant?

How many trees are there in the
orchard now?

63

Exercises

1. List the numbers from 73 to 92.

2. Write in words. 3. Write the numerals.

98 : 7 tens :
79 :
87 : 3 tens :

9 tens and 3 ones :

4. Complete with <, > or =. 5. Find the difference.

9+8 16 6 + 9 15 15 – 7 = 12 – 5 =
7+9 15 7 + 6 13 13 – 4 = 17 – 8 =
8+7 15 5 + 9 15 16 – 9 = 15 – 9 =

6. Complete. 70 – 20 = 7. Subtract. 39 – 2 =
60 – 40 = 80 – 2 =
30 + 20 = 80 – 10 = 56 – 1 = 51 – 2 =
50 + 30 = 70 – 1 =
20 + 60 = 91 – 1 =

8. Complete the tables. +974 +7 8
+7 12
8 12 15
5 11 15 18 17

9. Complete. 90 – (20 + 10) = 80 – (10 – 8) =
50 + (80 – 60) = 50 – ( 5 – 4) =
(60 – 20) + 8 = 70 – (50 – 30) = 96 – (11 – 9) =
(90 – 30) + 7 =
(40 + 30) – 1 = 64

Unit 30

SOLVE IN YOUR COPYBOOK

What is the sum of the two numbers What is the difference between the

10. 8 and 6? 11. numbers 7 and 13?

Belinda is 7 years old. How old will Four years from now Mary will be 11.

12. she be 5 years from now? 13. How old is she now?

James thinks of a number. Two numbers greater than 6 have 15

14. He adds 9 to it and gets 16. 15. as their sum.

What is this number? What are these two numbers?

Jim has 75 stamps. Steve had 2 tens of marbles.

16. Paul has 10 more than Jim. 17. He lost 20.

How many stamps does Paul have? How many does he have left?

Peter picked 16 oranges. There are 8 roses, 6 daisies, and 4

18. Ralph picked 9 less. 19. carnations in a vase.

How many oranges did Ralph pick? How many flowers are there in
the vase?
Larry invited 12 of his friends.
While fishing, Francis caught 7 fish
20. His mother had bought 7 doughnuts.
21. and his brother caught just as many.
How many doughnuts should she
still buy? How many fish did they both catch?

22. During a hunting trip, Father shot 23. Karen must send 70 Christmas cards.
3 tens of ducks, one ten of geese, She has only 5 tens.

and 2 partridges. How many must she still buy?

How many birds did he shoot in all?

A salesman had 15 teddy bears. Margo had 16 roses in her garden.

24. a) He sold 7. 25. She picked 5 for her brother and 4

How many did he have left? for a friend.
b) He bouhgt 3 tens. How many teddy a) How many roses did she pick?
bears does he have now? b) How many does she have left?

26. A salesman had 84 bottles of oil. He sold 27. There were 16 buns in the bakery.
3 tens to one client and 50 bottles to Seven were sold in the morning and 5

another. in the afternoon.

a) How many bottles did he sell? a) How many buns were there at noon?

b) How many does he have left? b) How many were left in the evening?

65

Functions r7
means “subtract 7”
a5
means “add 5” 75 50 37 61 90
r1
1. Complete the tables.

54 39 20 79 67
a1

2. Complete. 2+7 = 85 + 3 = 80 + +=
73 + 4 = 70 + +=
12 + 7 = 10 + 56 + 2 = 50 + +=

41 + 6 = 40 + += r4
9
94 + 5 = 90 + += 19
49
3. Complete the tables. r3 a5 89

a2

782
17 18 12
87 28 72
67 98 42

4. Simon has 52 turkeys and 6 guineafowls.

How many animals does he have?

5. Complete the equations.

23 + 6 = 13 + 6 = 14 + = 16 26 – 3 =
65 + 2 = 27 + 2 = 61 + = 67 78 – 6 =
42 + 6 = 76 + 3 = 83 + = 86 96 – 4 =

66

6. Complete. 3+7 = 48 + 2 = 40 + Unit 31
65 + 5 = 60 +
83 + 7 = 80 + 17 + 3 = 10 + +=
+=
56 + 4 = 50 + += a3 +=
7
71 + 9 = 70 + += 37 r5
67 10
7. Complete the tables. r9 47 40
60
a8 80

29
12 59
52 99
72 29

8. Mary had 27 balloons.

Her brother burst 5 of them.
How many balloons does she have left?

9. Complete the equations.

45 + 5 = 71 + 9 = 16 + = 20 90 – 6 =
64 + 6 = 56 + 4 = 73 + = 80 70 – 7 =
23 + 7 = 82 + 8 = 35 + = 40 50 – 4 =

10. Circle the numbers whose sum 11. Circle the numbers whose sum

is 40, and then add. is 70, and then add.
36 + 9 + 4 = 62 + 7 + 8 =
65 + 6 + 5 =
33 + 7 + 6 =
64 + 9 + 6 =
38 + 4 + 2 =
67

Addition + 5 8

1. Add and complete the equations. 1 4

+ 4 3

2 4

43 + 24 = 58 + 14 =

2. Add. + 4 5 + 6 3 + 3 7 + 5 6 + 2 4
+ 2 7
3 4 1 8 8 2 8 3 7
1 9

3. Add and complete the equations.

+ 2 6 + 4 9 + 5 6 + 1 6

3 5 7 3 3 5 9

26 + 35 = 49 + 7 = 56 + 33 = 16 + 59 =
13 + 59 = 28 + 69 =
4. Set up and carry out the additions.

38 + 37 = 77 + 5 =

5. Sarah collected 48 white eggs and Set up and
carry out.
26 brown ones.
How many eggs did she collect?

68

6. Set up and carry out the additions. Unit 32

67 + 13 = 17 + 46 = 45 + 45 = 29 + 48 =

7. There are 17 cows and 49 rabbits Set up and
carry out.
on the farm.
How many animals are there on
the farm?

8. Complete.

8 + 5 T and O 7 + 7 T and O 3 + 8 T and O
7 + 4 T and O 6 + 7 T and O 9 + 4 T and O

9. A florist arranges 16 red roses and Set up and
carry out.
28 white ones in a basket.
How many roses does she arrange
in all?

10. Count by tens from 6 to 96. 11. Count by tens from 8 to 98.

12. Complete the equations.

7 + = 13 3+ = 10 8+ = 12 5 + = 13
5 + = 11 6+ = 15 4+ = 11 7 + = 15
9 + = 14 4+ = 13 2+ = 10 6 + = 14

69

Displacement on a Grid

1. The dolphin wants to reach the fish.

Draw the path given by the code.
Trace another path and give its code.

2. Draw the path and place the carrot.

3. Study the path and give the code.

4. Find a path and give its code.

70

Unit 33

5. The rabbit leaves his burrow to get the carrot and returns.

Below you have the code for the path: trace it.

6. The mouse wants to get the cheese and return to its place.

Trace a path that it could follow and write the code.

7. Start at point A and trace the path given in the code below.

Give, in cm, the length of this path. cm
71 A

Subtraction

1. Write the missing digits.

+ 1 5 + 3 6 + 2 + 5 + 4 + 3

2 2 72 20 2 1
65 87 55
39 78 98
+ 3 7 + 4 + 9
+ 4 + 5 4 + 9
8 7 74
27 1 27 95 86
75 73 56

2. There are 34 swallows on one wire Set up and
carry out.
and 17 on another.
How many swallows are there in all?

3. Find the missing digits and then complete the equations.

+ 2 4 2 4+ =9 7 + 3 2 3 2+ =6 8
9 7– 2 4 = 6 8 – 3 2=

97 68

+ 1 8 1 8+ =3 7 + 4 5 4 5+ =81
3 7–1 8 = 8 1–4 5 =
37 81

4. Write the missing digits.

+ 2 4 – 6 5 + 1 7 – 5 2 + 3 4 – 4 3

65 24 52 17 43 34
72

5. Carry out the subtractions. Unit 34

– 8 5 – 3 5 – 7 9 – 4 3 – 6 1 – 5 7
2 4 1 8 5 6 8 3 4 1 3

– 6 6 – 5 0 – 7 2 – 3 2 – 4 9 – 8 0
4 8 3 3 6 1 6 1 7 5 6

6. Set up and carry out the subtractions.

52 – 19 = 65 – 8 = 78 – 36 = 83 – 57 =

7. There were 54 hens and 39 rabbits on a Set up and
carry out.
farm. 25 hens and 13 rabbits were sold.
How many hens remained?

How many rabbits remained?

8. Set up and carry out in your copybook.

43 – 39 = 66 – 7 = 41 – 14 = 54 – 45 =
56 – 17 = 45 – 8 = 34 – 18 = 72 – 46 =
62 – 43 = 31 – 6 = 97 – 79 = 83 – 39 =
32 – 19 = 52 – 9 = 66 – 36 = 90 – 68 =

73

Sets

1. R is the set of red blocks in U.

Complete the list of elements in R. Ua c
f b
R = { b, e, } R
d
Trace set R and link it to its label.
eg

2. T is the set of blue triangles in F. Trace T and link it to its label.

Complete. } m p n T
T = { F r s

q

3. J = { p, t, u }

Trace set J and link it to its label.

Complete. Ht p x
J is the set of
J

v u
r

4. Complete the list of elements in C.

C = { } M r t s
Complete. u v C
C is the set of
x z

74

5. Circle the set L of grey rabbits and label it. Unit 35

Circle the set B of white rabbits and label it. d

ab c

e
f

Complete: L = B=

6. Circle the set M of children wearing red trousers and label it.
Circle the set P of children wearing yellow shirts and label it.

nq Complete:
m
s M=
pr P=

7. Follow the instructions in the table and color.

b cd e f
a
A is the set of children wearing a red cap. aX
bX X
A= cX
B is the set of children wearing a blue scarf. d
eX X
B= fX
C is the set of children wearing a red cap
and a blue scarf.
C=

75

Zero Through Ninety-Nine

13 19

0 5 10 15 20 25 30
19 is between 10 and 20.
13 is between 10 and 20. 10 < 19 < 20
10 < 13 < 20 19 is nearer to 20.

13 is nearer to 10. 93 : 19 : 47 :
84 : 66 : 64 :
1. Round to the nearest ten. 38 :
77 :
29 : 54 :
32 : 61 :

2. A teacher has 34 copybooks.

She gives 3 tens to her students.
How many does she still have?

3. Andrew took 4 biscuits from a box; 4. Marina caught 9 butterflies.

Charles took 6. Then she set 2 of them free.
How many did they take in all? How many did she keep?

The box contained 64 biscuits. She already had 60 butterflies.
How many remained in the box? How many does she have now?

5. Count by sixes from 0 to 60. 6. Break down.

Count by fours from 0 to 40. into 7 : 28 = 7 +
into 5 : 25 = 5 +
into 4 : 16 = 4 +
into 8 : 40 = 8 +
into 6 : 24 = 6 +

76

7. Start from the left and color as follows : Unit 36

The 12th in The 2nd in The 5th in
The 8th in The 1st in The 3rd in

8. Find the sum. 58 + 2 + 4 = 75 + 5 + 9 =
31 + 6 + 9 = 83 + 6 + 7 =
12 + 7 + 8 = 47 + 4 + 3 = 56 + 4 + 8 =
24 + 6 + 9 =
67 + 4 + 3 = 34 + 50 + 6 =
73 + 10 + 7 =
9. Add.

49 + 20 + 1 = 28 + 60 + 2 =
37 + 30 + 3 = 42 + 30 + 8 =

10. 14 girls and 6 boys take piano lessons.

How many children take piano lessons?

11. There were 13 birds on a branch.

Seven more came to perch.
How many birds are there now?

12. Find the sum. 58 + 40 = 13. Count by sevens from 0 to 70.
35 + 60 =
43 + 20 = 77
27 + 30 =

Subtraction

1. Subtract.

15 – 7 = 14 – 7 = 12 – 4 = 16 – 8 =
13 – 4 = 13 – 8 = 13 – 6 = 14 – 5 =
11 – 8 = 10 – 2 = 15 – 9 = 12 – 7 =
12 – 6 = 16 – 9 = 17 – 8 = 11 – 5 =

2. Set up and carry out the subtractions. 46 – 15 = 93 – 78 =

54 – 18 = 71 – 37 =

3. Jenny picked 27 flowers.

Doris picked 45.
How many more flowers did Doris pick?

How many flowers did they both
pick?

4. Mark needs 80 cubes to make a

house. He counts the ones he has and
finds 36 red cubes and 34 blue ones.
How many does he have?

How many does he still need?

78

Unit 37

5. Complete the family of facts.

20 + 15 = 36 + 10 = 40 + 30 = 52 + 20 = 28 + 30 =

15 + 20 =

35 – 20 =

35 – 15 =

6. What is the sum of the two 7. What is the difference between

numbers 27 and 52? the numbers 34 and 82?

8. Count by threes from 0 to 30. 9. Count by eights from 0 to 80.

Count by fives from 0 to 50. Count by nines from 0 to 90.

10. Use the same color for all the parts that have the same answer.

90 – 56 40 – 13

52 – 18 70 – 53

62 – 44 57 – 29
15 + 12
63 – 36 42 – 15 84 – 57
13 + 5
32 – 1541 – 7

75 – 57

17 + 17 54 – 36 68 – 34
80 – 62 32 – 5
19 + 8
79

Perimeters

1. We have used the measuring tape to find the perimeter of each polygon.

5 7 8 9 10

6

11 12

6
7
8
9
3
4

4
5
1 23
12
What is the perimeter of the rectangle?
The perimeter of the triangle is 9 cm.
3. Find the length of the thread
2. What is the length of the thread
around the triangle.
around the rectangle?

3cm 7cm 8cm
7cm 3cm 4cm
Equation :
Answer : 6cm

Equation :
Answer :

4. Measuring perimeters with a ruler.

A A01 0A
1 2 23 13
2
CB 3
4

01 2 C B

CB

Equation :

The perimeter of triangle ABC is

The perimeter of a polygon is equal to the sum of its sides.

80

Unit 38

5. Give, in cm, the measure of each side of the polygons.

Then find the perimeter.

81

Addition and Subtraction

1. Set up and carry out the additions.

27 + 16 + 38 = 42 + 9 + 24 = 57 + 17 + 16 =

2. There are 27 apple trees, 16 prune 3. Doris has a ribbon 45 cm long.

trees and 48 cherry trees in an She cuts off 27 cm to make a bow for
orchard. How many trees are there her hair. How long is the remaining
in all in this orchard? piece of ribbon?

4. A dolphin ate 36 big fish and 46 small

ones in one day.
How many fish did he eat in all?

5. A gardener picked 54 boxes of

apples. He sold 37 of them.
How many boxes does he have left?

6. Count by sixes from 0 to 60. 7. Count by eights from 0 to 80.

Count by nines from 0 to 90. Count by fours from 0 to 40.

82

8. Complete. 39 + 10 = 46 – 10 = Unit 39
72 + 20 = 39 – 20 =
43 + 20 = 57 + 30 = 65 – 30 = 92 – 40 =
27 + 30 = 78 – 30 =
63 + 30 = 67 – 50 =

9. Rosie bought 24 carnations.

She put 10 in a vase and the others in
a second one.
How many carnations did she put in
the second vase?

10. Gina had 90 beads. She used 45 to

make a necklace and 17 to make a
bracelet.
How many beads did she use?

How many beads does she still have?

11. Complete. 50 – 30 = 40 + 15 = 72 – 12 =
90 – 20 = 60 + 24 = 63 – 23 =
40 + 50 = 80 – 60 = 50 + 35 = 86 – 36 =
20 + 30 =
70 + 10 = 93 – 37 =
71 – 28 =
12. Set up and carry out the subtractions in your copybook. 82 – 54 =

72 – 17 = 34 – 9 = 50 – 24 =
49 – 33 = 52 – 7 = 70 – 39 =
65 – 28 = 95 – 8 = 40 – 18 =

83

Exercises

1. Find the difference.

12 – 9 = 12 – 5 = 13 – 5 = 11 – 5 =
13 – 7 = 14 – 6 = 11 – 7 = 14 – 7 =
15 – 8 = 16 – 9 = 12 – 4 = 15 – 6 =
11 – 3 = 17 – 8 = 14 – 9 = 13 – 4 =

2. Find the sum. 3. Complete.

13 + 5 = 37 + 3 = 24 + = 30 17 + = 20
24 + 3 = 65 + 5 = 56 + = 60 85 + = 90
52 + 6 = 82 + 8 = 32 + = 40 68 + = 70

4. Add. 22 + 9 + 8 = 81 + 5 + 9 =
65 + 5 + 7 = 58 + 5 + 2 =
37 + 9 + 3 = 34 + 2 + 6 = 43 + 6 + 7 =
42 + 8 + 6 =
76 + 7 + 4 =

5. Count by sevens from 0 to 70. 6. Subtract. 60 – 5 =
30 – 5 =
Count by threes from 0 to 30. 10 – 3 = 80 – 5 =
20 – 3 = 20 – 5 =
30 – 3 = 40 – 5 =
40 – 3 =
50 – 3 =

7. Set up and carry out the operations in your copybook.

52 – 18 = 72 + 19 = 32 – 15 = 56 – 39 =
82 – 44 =
93 – 39 = 43 + 38 = 76 – 49 = 77 – 58 =
91 – 62 =
75 – 26 = 29 + 56 = 54 – 26 =

66 – 48 = 18 + 69 = 43 – 17 =

84

Unit 40

SOLVE IN YOUR COPYBOOK

Jack had 8 marbles in the morning. Robert and Mike picked 97 mushrooms.

8. In the afternoon he had 13. 9. Robert picked 30.

How many marbles did he win during How many did Mike pick?
that day?
Father bought 2 chandeliers.
Pamela has 68 beads; Nora has 43.
11. The 1st needs 24 bulbs and the 2nd 18.
10. How many more beads does Pamela
How many bulbs does he need?
have?

A gardener must take 60 lettuces to the Fred had 42 hens in his henhouse.

12. market. He has picked 2 tens. 13. A fox ate 5 of them.

How many more must he pick? How many hens does he have left?

May bought 37 red beads and 28 Tania baked 52 cakes and Sylvia 39.

14. blue ones. 15. a) How many more than Sylvia did

a) How many beads did she buy in all? Tania bake?
b) She used 48 beads to make a b) How many cakes did they bake in
necklace. How many beads does all?
she have left?

Peter has 32 stamps in his collection. Mark had 72 candy canes. He gave 8

16. Joseph has 7 stamps more. 17. to his sister and 6 to a friend.

a) How many stamps does Joseph a) How many candy canes did he

have? give to both?

b) How many do they have together? b) How many does he have left?

A farmer had 24 chicks in one cage There are 14 armchairs and 36 chairs

18. and 37 in another. He sold 18. 19. in a room.

a) How many chicks did he have? a) How many persons can sit in that
b) How many does he have left? room.
b) 29 persons are already sitting.
How many empty places are there?

James received 2 boxes of chocolate. A dairyman received 52 liters of milk.

20. The first contained 42 bars and the 21. He used 12 liters to make cheese and

second 16 less than the first. 14 liters to make cream.
a) How many bars were there in the a) How many liters of milk did he use?
second box? b) How many does he still have?
b) How many bars does James have
in all?

85

One Hundred

10 tens > 1 hundred > 100 ones
one hundred

1. Complete the pattern.

10 20 30
91 92

2. Add. + 3 0 + 4 0 + 2 0 + 9 0 + 4 0
+ 4 0
7 0 6 0 7 0 1 0 3 0
5 0

3. Complete. 70 + 4. Complete. 92 +
100 60 + 100 95 +
20 + 96 +
40 + 30 + 99 + 91 +

50 + 93 +

5. Find the difference.

100 – 20 = 100 – 10 = 100 – 2 = 100 – 7 =
100 – 50 = 100 – 60 = 100 – 5 = 100 – 9 =
100 – 30 = 100 – 70 = 100 – 8 = 100 – 4 =

6. A gardener planted a hundred lettuces.

Seven of them died.
How many lettuces does he have?

86

Unit 41

7. List the numbers from 85 to 100.

8. Round to the nearest ten. 68 : 54 : 61 : 48 :
98 : 89 : 99 : 84 :
76 : 92 :
83 : 97 : 10. Count by twos from 78 to 100.

9. Count by fives from 45 to 100.

11. Write the numerals. 12. Break down into 20.

9 tens : 7 tens : 100 = 20 +
6 tens : 4 tens : Break down into 25.
8 tens :  10 tens : 100 = 25 +
2 tens : 5 tens : Break down into 50.
1 tens : 3 tens : 100 = 50 +

13. Sarah takes 30 envelopes from

a pack containing 100 ones.
How many envelopes are left in
the pack?

14. Count back by twos from 100 15. Count back by fives from

to 80. 100 to 50.

87

Multiplication Four times two

Two times three

2 x 3 = 6 4 x 2 = 8

1. Write the number of figures as a multiplication fact.

5  x  3 = 4  x  =

 x  =  x  =

 x  =  x  =

 x  =  x  =
 x  =
 x  =

88

2. A tricycle has 3 wheels. Unit 42

How many wheels are there on 3. There are 5 flowers in each bunch.
4 tricycles?
How many flowers are there in 5
Equation : bunches?
Answer :
Equation :
Answer :
4. There are 5 apples in every basket.

How many apples are there in the 6. A bottle fills 4 cups.
four baskets?
How many cups do 2 bottles fill?
Equation :
Answer :


5. There are 3 biscuits in every bag.

How many biscuits are there in
3 bags?

7. Multiply. 3x2= 2 x 10 = 4x4=
4x1= 4 x 10 = 4x5=
2x5= 2x2= 5 x 10 = 5x5=
2x4= 4x3= 1 x 10 = 3x3=
3x5=
2x3= 89

Multiplication

1. Complete.

4 x 3 = 3 x 5 = x  =

2. Write the number of circles in the form of an addition, then as a multiplication fact.

2+2+2+2+2= 6+6= + ++=
5 x 2 = 2 x 6 =
  x  =

++ =

 x  =

3. Write each sum as a multiplication 4. Write each product in the form

fact. of an addition.

3+3+3+3= x 4x5= + ++

4+4+4+4+4= 5x1=

2+2+2+2= 4x0=

5. Count by twos from 0 to 20. 6. Count by fours from 0 to 40.

Count by fives from 0 to 50. Count by threes from 0 to 30.

90

Unit 43

7. Multiply. 4x2= 1x3= 4x3=
5x2= 2x3= 5x3=
1x2= 6x2= 3x3= 6x3=
2x2=
3x2=

x 4 x 4 x 4 x 5 x 5 x 5
1 2 3 1 2 3

x 4 x 4 x 4 x 5 x 5 x 5
4 5 6 4 5 6

8. Complete. 4x2= 5x6= 2x6=
4x5= 5x5= 2x3=
3x5= 4x1= 5x0= 2x5=
3x6= 4x6= 5x3= 2x4=
3x3=
3x1=

9. There are 6 eggs in each carton. 10. A packet contains 3 biscuits.

How many eggs are there in How many biscuits are there in
4 cartons? 6 packets?

91

Intersection of Sets

1. Complete the table with x. “is an element of”
MN
c
a
M b d b
a N
c
eg f d
e
P is the set of elements common to M and N. f
List the elements of set P. g

P=

2. Circle the elements of each set and label it.

“is an element of” t r
AB m p

mX s
t XX q
r
sXX Write the set C of elements common to A and B.
pX C=
qXX

3. R is the set of the elements 4. P is the set of the elements

common to P and Q. common to M and N.

E F
Q
ea mp

ou i sq r

P M N

R = { } P = { }
92

5. Study the table and complete the diagram. Unit 44

“is an element of” F

EF E
aX
bX
cXX
dXX
f
gX

6. U is the set of shapes.

{U = m , n, p q, r s, t, u {

, ,

R is the set of red shapes in U. T is the set of triangles in U.
Draw the shapes in the diagram.

U

Write the set S of the
elements common to R and T.

R S={ }

T
S is the set of

7. E = {m, n, p} 8. P = {r, s, t, u}

F = {u, v} Q = {m, r, p, s, a}
Write the set G of the elements Write the set R of the elements
common to E and F. common to P and Q.

93

Multiplication 2. Write as two multiplication facts.

1. Write in the form of two additions.

+ + + + = x=
++= x=

3. Draw (3 x 6) circles. 4. Draw (5 x 4) circles.

5. Count by twos from 0 to 20. 6. Count by threes from 0 to 30.

7. Multiply. 2x5= 8. Multiply. 3x5=
2x8= 3x8=
2x7= 2x4= 3x4= 3x6=
2x9= 3x7=
2x6= 3x9=

9. Roger received 4 boxes of 5 pencils. 10. Paul won 5 games and lost 4.

How many pencils did he receive? How many games did he play?

11. Tony bought 4 boxes of 6 candles

each.
How many candles did he buy?

94

12. Multiply. 2x6= 7x2= Unit 45
3x9= 6x4=
4x3= 5x3= 5x5= 5x6=
4x5= 3x8= 9x2= 2x8=
6x4= 5x2=
4x4= 6x3=

13. Sam has 3 bags of 7 lollipops each.

How many lollipops does he have?

14. A bookcase has 6 shelves. There are

5 books on each shelf.
How many books are there in
the bookcase?

15. There are 4 tennis courts in a

club. Four people can play on
each court.
How many people can play at the
same time?

16. Set up and carry out the subtractions in your copybook.

81 – 38 = 94 – 68 = 42 – 15 = 53 – 24 =
86 – 72 =
75 – 27 = 76 – 39 = 78 – 49 = 46 – 17 =
90 – 75 =
37 – 14 = 83 – 57 = 60 – 34 = 79 – 40 =

50 – 36 = 72 – 23 = 71 – 36 =

62 – 47 = 80 – 51 = 94 – 78 =

95

Printed by Chemaly & Chemaly Printing Press in Beirut on May 2017



CHAMPIONS
Mathematics

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