Mathematics Year 1 Part 1

RECOGNISE ESTIMATION
1

more than 10.
2

less
than 16.

16

1.7.1

43

3

about 20.

SELF-TEST
1

“ ”, “ ”,

1.7.1 “ ”“ ”

44

RECOGNISE ROUND OFF
1

22 30

20 22 20 30. 30
22 22 nearest ten 20.

20.

45

2 64 66
60 61 67

69 70

60 67 70
67 70.
67 70.
nearest ten

60 65 70

65 middle of 60 and 70.
65
nearest ten 70.

,

46

3

80 85 86 87 88 89 90

80 85 86 87 88 89 90

85, 86, 87, 88 89 90.
85, 86, 87, 88 89 90

, ,, , , ,

,,,

SHARPEN
YOUR
MIND

71 59 63 74 55 65

47

SELF-TEST

1 44
40
44 .
.

10

11 14 19 17

4 30

48

SOLVE
1

Method

,

Number begins Number begins Number begins
with 7 with 5 with 2

6 numbers

1.10.1 ,

49

2
’

’

Method
’
’
’

40 41 42 43 44 45
’ 40.

1.10.1

50

3 ,
,
,
’
Method

’
31 , 32 , 33 , 34

1.10.1

51

4 ’
Method

’ 4, 2, 4, 2, 4, 2.
SELF-TEST

1.10.1

52

MY Numbers Members
PROJECT expert Materials

Method

Task table

’

53

Who’s number Members
is larger? Materials

Rules ,

4 Name Marks

Round

1 10

,

54

2 ADDITION AND

SUBTRACTION

2.1 ,

55

RECOGNISE ADDITION
1

4 and 1 make 5 altogether.
41

5 5.
4 add 1

5

2.1.1 ,, ,

56

2

3 and 2 5.

3 add 2 equal to 5.

,

3+2=5

+=

5

2.1.1 ’
2.1.2
2.1.3

57

3 Method 2
’

Method 1

1, , , , , , ,
1 2345678

8
8

4

3
3

3

3.

2.2.1 ,

58

5

.
5, ,

1 2345

3
3

SELF-TEST
1

2

2.2.1 ,
.

59

QUICK ADDITION

2.2.1

60

’
2.2.1

61

MY Addition Members
PROJECT map
Materials

Method

3

SELF-TEST

11 5

2.2.1

62

EASY ADDITION 25
1

Method 1

25 28
tens ones
Method 2

tens ones

28

2.2.2

63

2
Method 1

tens ones tens ones

Method 2

1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50

47

2.2.2

64

3 Method 2
Method 1

,

60 70 80

80

4 Method 2
Method 1 43

52 2
3

95 32
43 52
2.2.2
65

5

Method 1

23 5
2
3

Method 2

56 to 76
Get 20.

41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90

, count in ones
76 to 79. Get 3.
20 and 3 23.

23

2.2.2

66

SHARPEN
YOUR
MIND

SELF-TEST
1

2
3

2.2.2

67

MORE ADDITION
1’

Method 1

1 2 3 4 5 6 7 8 9 10 11

Method 2

11

,,

8 9 10 11

2.2.2

68

Method 3 3

,

1

,

21

1 .
11

11

2.2.2

69

2

Method 1 31 32 33 34 35
Method 2
tens ones

tens ones 1 tens

1
1

35

2.2.2 ,
’
70

3 tens ones
Method 1

tens ones

1

1 1 tens

Method 2 71

2 32
52

52

2.2.2

4 Method 2
Method 1

1

86
5

58 63

2.2.2 5

72

SHARPEN 15 15
YOUR +9 +9
MIND
114 24

SELF-TEST
1

5

1 2
2

2.2.2

73

RECOGNISE SUBTRACTION
1

Take away 2 from 6. 42
4 left.

4

5 2 Red loops are 2 more.
3 Blue loops are 2 less.

2.1.1 5 3 2.

74 2.

2

12 less 3 9.
12 minus 3 equal to 9.

12 – 3 = 9

–=

9.

The difference of 9 7 2.
9 minus 7 equal to 2.
9–7=2

2.

2.1.1 ’
2.1.2
2.1.3

75

3’

1 23456

2
2.

4

Method 1 Method 2
3 5
5

5

2.3.1 ’

76

5

1 2345 11
7 7.

6

1 2 3 4 5 6 7 8 9 10 11 12

7
7

2.3.1

77

SHARPEN 8– =7 – =6
YOUR =– –=
MIND 8
04 =–=
=–=
– 1=6
– =5

SELF-TEST
1

2.

3

2.3.1

78

MY Knowing me
PROJECT

Method

1
2

’ ’

2.2 79
2.3
2.5

QUICK SUBTRACTION –1 –2
–0

–3
–6

–4 –5

2.3.1

8800

–7 –8 –9

SELF-TEST .
1 5

2 81
2

22..33..11

EASY SUBTRACTION
1

Method 1

11 12 13 14 15 19

Method 2

1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20

,, , ,

14

14.

2.3.2

82

2

Method 1
20 30 40 50 60

Method 2 tens ones

tens ones

40
40

2.3.2

83

3 14
Method 1

Method 2

tens ones

tens ones

2.3.2 23
23.
84
,

4
Method 1

tens ones tens ones

Method 2

31

2.3.2

85

5

Method 1
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90

,

Method 2 3 35 33
3

33

2.3.2

86

SHARPEN
YOUR
MIND

2345689

SELF-TEST
1

2

2.3.2

87

MORE SUBTRACTION
1

’
Method 1

Method 2 15
5

5
7

2.3.2

88

2
Method 1

tens ones

5 13

tens ones

5 13

5 13

Method 2

56

2.3.2

89

3
Method 1

tens ones tens ones

4 10 4 10

4 10

Method 2

,

11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50

26

2.3.2

90

4

Method 1 tens ones 3 12

tens ones 3 12

3 12

Method 2

42
12

12
14

2.3.2

91

5
Method 1

23 24 25 31 32 33

Method 2 5
11
2 11

6
SELF-TEST
1

2

2.3.2

92