Maths Answers
Autumn Year 2/3
Week 1:
Additions and subtractions
20 + 5 = 25
25 – 5 = 20
30 + 7 = 37
90 + 3 = 93
72 – 2 = 70
50 + 5 = 55
33 – 3 = 30
79 – 9 = 70
70 + 8 = 78
99 – 9 = 90
Week 2:
Missing numbers
14 + 6 = 20
10 + 10 = 20
11 + 9 = 20
13 + 7 = 20
12 + 8 = 20
17 + 3 = 20
19 + 1 = 20
15 + 5 = 20
Adding one-digit to two-digit numbers
A
1. 21 + 9 =30
2. 45 + 5 = 50
3. 73 + 7 = 80
4. 14 + 6 = 20
5. 68 + 2 = 70
6. 33 + 5 = 38
7. 25 + 3 = 28
8. 62 + 4 = 66
9. 83 + 3 = 86
10. 21 + 7 = 28
11. 47 + 2 = 49
12. 13 + 6 = 19
13. 114 + 6 = 120
14. 123 + 5 = 128
15. 154 + 3 = 157
16. 194 + 5 = 199
B
1. 39 + 5 = 44
2. 28 + 4 = 32
3. 36 + 6 = 42
4. 45 + 7 = 52
5. 78 + 8 = 86
6. 33 + 9 = 42
7. 27 + 5 = 32
8. 18 + 6 = 24
9. 12 + 9 = 21
10. 46 + 8 = 54
11. 87 + 4 = 91
12. 34 + 8 = 42
13. 128 + 4 = 132
14. 144 + 6 = 150
15. 119 + 6 = 125
16. 175 + 6 = 181
Add and subtract single-digit numbers
1.
2.
3.
4.
5.
6.
6+3=9
2+5=7
8-2=6
7-5=2
24 + 3 = 27
48 - 3 = 45
16 + 3 = 19
22 + 5 = 27
28 - 2 = 26
37 - 5 = 32
54 + 3 = 57
68 - 3 = 65
26 + 3 = 29
42 + 5 = 47
48 - 2 = 46
87 - 5 = 82
84 + 3 = 87
98 - 3 = 95
Subtracting one-digit from two-digit numbers
A
1. 88 – 8 = 80
2. 75 – 5 = 70
3. 62 – 2 = 60
4. 78 – 5 = 73
5. 45 – 2 = 43
6. 48 – 6 = 42
7. 69 – 6 = 63
8. 76 – 4 = 72
9. 55 – 3 = 52
10. 39 – 5 = 34
11. 15 – 4 = 11
12. 46 – 5 = 41
13. 117 – 5 = 112
14. 146 – 4 = 142
15. 187 – 3 = 184
16. 135 – 2 = 133
Week 3:
Writing and comparing amounts of money
£2.35
£4.45
£9.99
£8.06
£3.75
£6.08
£1.10
£2.11
£2.45
£4.05
£8.99
£8.60
£3.70
£6.80
£1.01
£2.12
Practice counting up to subtract
Part A
30 – 18 = 12
80 – 66 = 14
40 – 23 = 17
90 – 75 = 15
60 – 43 = 17
72 – 68 = 4
85 – 76 = 9
53 – 45 = 8
B
1. 21 – 9 = 12
2. 45 – 6 = 39
3. 73 – 7 = 66
4. 14 – 6 = 8
5. 61 – 2 = 59
6. 33 – 5 = 28
7. 25 – 8 = 17
8. 62 – 4 = 58
9. 83 – 7 = 76
10. 21 – 7 = 14
11. 42 – 7 = 35
12. 13 – 6 = 7
13. 142 – 6 = 136
14. 161 – 4 = 157
15. 115 – 8 = 107
16. 133 – 5 = 128
Part B
83 – 65 = 18
94 – 78 = 16
65 – 46 = 19
44 – 27 = 17
84 – 67 = 17
32 – 15 = 17
78 – 54 = 24
42 – 24 = 18
Part C
88 – 45 = 43
65 – 36 = 29
77 – 46 = 31
83 – 55 = 28
44 – 18 = 26
61 – 37 = 24
94 – 57 = 37
83 – 39 = 44
How much change? (from £1)
£1 – 78p = 22p
£1 – 34p = 66p
£1 – 55p = 45p
£1 – 63p = 37p
£1 – 26p = 74p
How much change? ( from £1)
£1 – 34p = 66p
£1 – 72p = 28p
£1 – 81p = 19p
£1 – 86p = 14p
£1 – 68p = 32p
£1 – 65p = 35p
£1 – 26p = 74p
£1 – 17p = 83p
£1 – 59p = 41p
£1 – 44p = 56p
Week 4:
Reading the time on analogue and digital clocks 1
Reading the time on analogue and digital clocks 2
Reading the time on analogue and digital clocks 3
Reading the time on analogue and digital clocks 4
Reading the time on analogue and digital clocks (Y3)
Reading the time on analogue and digital clocks (Y3)
Reading the time on analogue and digital clocks (Y3)
Reading the time on analogue and digital clocks (Y3)
Put these times in order 1
Put these times in order 2
Help the robot to get home
For example:Forward 2 squares
Turn left
Forward 2 squares
Turn right
Forward 1 square
Turn left
Forward 2 squares
Turn right
Forward 4 squares
Turn left
Forward 1 square
Turn right
Forward 2 squares
How many quarter turns?
6 quarter turns
(3 clockwise, 3 anti-clockwise)
Week 5:
Adding pairs of 2-digit numbers (E)
14 + 12 = 26
24 + 12 = 36
32 + 12 = 44
41 + 12 = 53
53 + 12 = 65
14 + 34 = 48
24 + 34 = 58
32 + 34 = 66
41 + 34 = 75
53 + 34 = 87
14 + 21 = 35
24 + 21 = 45
32 + 21 = 53
41 + 21 = 62
53 + 21 = 74
14 + 32 = 46
24 + 32 = 56
32 + 32 = 64
41 + 32 = 73
53 + 32 = 85
14 + 23 = 37
24 + 23 = 47
32 + 23 = 55
41 + 23 = 64
53 + 23 = 76
Adding pairs of 2-digit numbers (H)
14 + 63 = 77
54 + 63 = 117
36 + 63 = 99
81 + 63 = 144
49 + 63 = 112
14 + 89 = 103
54 + 89 = 143
36 + 89 = 125
81 + 89 = 170
49 + 89 = 138
14 + 32 = 46
54 + 32 = 86
36 + 32 = 68
81 + 32 = 113
49 + 32 = 81
14 + 78 = 92
54 + 78 = 132
36 + 78 = 114
81 + 78 = 159
49 + 78 = 127
Finding totals, reducing prices
Choose one item from each shelf and add together
50p + 10p = 60p
50p + 11p = 61p
50p + 20p = 70p
60p + 10p = 70p
60p + 11p = 71p
60p + 20p = 80p
80p + 10p = 90p
80p + 11p = 91p
80p + 20p = £1
70p + 10p = 80p
70p + 11p = 81p
70p + 20p = 90p
45p + 10p = 55p
45p + 11p = 56p
45p + 20p = 65p
72p + 10p = 82p
72p + 11p = 83p
72p + 20p = 92p
58p + 10p = 68p
58p + 11p = 69p
58p + 20p = 78p
63p + 10p = 73p
63p + 11p = 74p
63p + 20p = 83p
Reduce the price of each item on the top shelf by 20p
50p – 20p = 30p
60p – 20p = 40p
80p – 20p = 60p
70p – 20p = 50p
45p – 20p = 25p
72p – 20p = 52p
58p – 20p = 38p
63p – 20p = 43p
Place Value & Money Addition and Subtraction Word Problems
1.
2.
3.
4.
5.
£2 + 50p + 5p = £2.55
£3 + 60p + 7p = £3.67
80p + 6p + £2 = £2.86
2p + £5 + 20p = £5.22
£6.72 – 2p = £6.70
14 + 67 = 81
54 + 67 = 121
36 + 67 = 103
81 + 67 = 148
49 + 67 = 116
6. £5.58 – 50p = £5.08
7. £9.68 – 60p = £9.08
8. £7.49 – 9p = £7.40
9. £5.25 – £5.05 = 20p
10. £9.82 – £9.02 = 80p
11. £3.49 – £3.40 = 9p
12. £3.67 - £3.07 = 60p so Liam should put the drink back
Week 6:
Patterns
5, 15, 25, 35, 45, 55, 65, 75, 85, 95
1, 3, 5, 7, 9, 11, 13, 15, 17, 19
7, 17, 27, 37, 47, 57, 67, 77, 87, 97
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
8, 18, 28, 38, 48, 58, 68, 78, 88, 98
3, 13, 23, 33, 43, 53, 63, 73, 83, 93
10, 12, 14, 16, 18, 20, 22, 24, 26, 28
11, 13, 15, 17, 19, 21, 23, 25, 27, 29
Week 7:
Double the following numbers:
Part A
1. 15 x 2 = 30
2. 22 x 2 = 44
3. 34 x 2 = 68
4. 43 x 2 = 86
5. 12 x 2 = 24
6. 41 x 2 = 82
7. 32 x 2 = 64
8. 23 x 2 = 46
9. 14 x 2 = 28
10. 21 x 2 = 42
Part B
1. 18 x 2 = 36
2. 26 x 2 = 52
3. 35 x 2 = 70
4. 48 x 2 = 96
5. 47 x 2 = 94
6. 36 x 2 = 72
7. 27 x 2 = 54
8. 19 x 2 = 38
9. 16 x 2 = 32
10. 38 x 2 = 76
Chocolate bars – half price sale
Half of 24p is 12p
Half of 54p is 27p
Half of 72p is 36p
Half of 74p is 37p
Half of 28p is 14p
Half of 48p is 24p
Half of 94p is 47p
Half of 66p is 33p
Half of 42p is 21p
Half of 82p is 41p
Half of 38p is 19p
Half of 56p is 28p.
Halving even numbers (E)
Number
10
12
14
16
18
20
22
24
26
28
30
Answer (Half)
5
6
7
8
9
10
11
12
13
14
15
Halving even numbers (MH)
Number
30
32
34
36
38
40
42
44
46
48
50
Answer (Half)
15
16
17
18
19
20
21
22
23
24
25
Make your own additions and subtractions
45 - 2 = 43
45 - 7 = 38
57 - 2 = 55
57 - 7 = 50
42 - 2 = 40
42 - 7 = 35
78 - 2 = 76
78 - 7 = 71
29 - 2 = 27
29 - 7 = 22
31 - 2 = 29
31 - 7 = 24
86 - 2 = 84
86 - 7 = 79
64 - 2 = 62
64 - 7 = 57
45 - 3 = 42
45 - 8 = 37
57 - 3 = 54
57 - 8 = 49
42 - 3 = 39
42 - 8 = 36
78 - 3 = 75
78 - 8 = 70
29 - 3 = 26
29 - 8 = 21
31 - 3 = 28
31 - 8 = 23
86 - 3 = 83
86 - 8 = 78
64 - 3 = 61
64 - 8 = 56
45 - 4 = 41
45 - 9 = 36
57 - 4 = 53
57 - 9 = 48
42 - 4 = 38
42 - 9 = 33
78 - 4 = 74
78 - 9 = 69
29 - 4 = 25
29 - 9 = 20
31 - 4 = 27
31 - 9 = 32
86 - 4 = 82
86 - 9 = 77
64 -4 = 60
64 - 9 = 55
45 - 5 = 40
57 - 5 = 52
42 - 5 = 37
78 - 5 = 73
29 - 5 = 24
31 - 5 = 26
86 - 5 = 81
64 - 5 = 59
77 - 2 = 75
77 - 7 = 70
53 - 2 = 51
53 - 7 = 46
49 - 2 = 47
49 - 7 = 42
68 - 2 = 66
68 - 7 = 61
51 - 2 = 49
51 - 7 = 44
82 - 2 = 80
82 - 7 = 75
65 - 2 = 63
65 - 7 = 58
74 - 2 = 72
74 - 7 = 67
77 - 3 = 74
77 - 8 = 69
53 - 3 = 50
53 - 8 = 45
49 - 3 = 46
49 - 8 = 41
68 - 3 = 65
68 - 8 = 60
51 - 3 = 48
51 - 8 = 43
82 - 3 = 79
82 - 8 = 74
65 - 3 = 62
65 - 8 = 57
74 - 3 = 71
74 -8 = 66
77 - 4 = 73
77 - 9 = 68
53 - 4 = 49
53 - 9 = 46
49 - 4 = 45
49 - 9 = 40
68 - 4 = 64
68 - 9 = 59
51 - 4 = 47
51 - 9 = 42
82 - 4 = 78
82 - 9 = 73
65 - 4 = 61
65 - 9 = 56
74 - 4 = 70
74 -9 = 65
77 - 5 = 72
53 -5 = 49
49 - 5 = 44
68 - 5 = 62
51 - 5 = 46
82 - 5 = 77
65 + 5 = 60
74 - 5 = 69
Finding 1/3 and 2/3s
Part A
1/3 of 9 = 3
1/3 of 6 = 2
1/3 of 12 = 4
1/3 of 18 = 6
1/3 of 24 = 8
2/3 of 9 = 6
2/3 of 6 = 4
2/3 of 12 = 8
2/3 of 18 = 12
2/3 of 24 = 16
Use cubes or number facts to help work out 1/3 and 2/3 of these numbers
Part B
1/3 of 21 = 7
1/3 of 27 = 9
1/3 of 33 = 11
1/3 of 39 = 13
1/3 of 30 = 10
1/3 of 36 = 12
2/3 of 21 = 14
2/3 of 27 = 18
2/3 of 33 = 22
2/3 of 39 = 26
2/3 of 30 = 20
2/3 of 36 = 24
Use number facts and place value to help work out 1/3 and 2/3 of these numbers
Part C
1/3 of 30 = 10
1/3 of 300 = 100
1/3 of 3000 = 1000
1/3 of 60 = 20
1/3 of 600 = 200
1/3 of 6000 = 2000
2/3 of 30 = 20
2/3 of 300 = 200
2/3 of 3000 = 2000
2/3 of 60 = 40
2/3 of 600 = 400
2/3 of 6000 = 4000
Week 8:
Mystery numbers
Square = 4
Triangle = 5
Square = 2
Triangle = 4
Square = 3
Square and triangle must total 5, so 2 and 3 or 1 and 4.
Subtract by counting up
Part A
100 - 95 = 5
100 - 93 = 7
102 - 98 = 4
104 - 95 = 9
105 - 97 = 8
108 - 98 = 10
105 - 90 = 15
110 - 96 = 14
Part B
100 - 87 = 13
100 - 81 = 19
112 - 90 = 22
114 - 97 = 17
113 - 95 = 18
115 - 98 = 17
108 - 86 = 22
105 - 81 = 24
103 - 85 = 18
104 - 89 = 15
Part C
109 - 74 = 35
105 - 72 = 33
134 - 99 = 35
129 - 96 = 33
123 - 91 = 32
118 - 88 = 30
116 - 82 = 34
113 - 79 = 34
111 - 76 = 35
133 - 97 = 36
128 - 95 = 33
121 - 81 = 40
Find how far frog has to hop
28 + 5 = 33
25 + 7 = 32
36 + 8 = 44
37 + 6 = 43
26 + 5 = 31
38 + 8 = 46
Choose one number
108 - 87 = 21
108 - 82 = 26
108 - 79 = 29
108 - 72 = 36
114 - 87 = 27
114 - 82 = 32
114 - 79 = 35
114 - 72 = 42
125 - 87 = 38
125 - 82 = 43
125 - 79 = 46
125 - 72 = 53
108 - 75 = 33
108 - 94 = 14
114 - 75 = 39
114 - 94 = 20
125 - 75 = 50
125 - 94 = 31
123 - 87 = 36
123 - 82 = 41
123 - 79 = 44
123 - 72 = 51
123 - 75 = 48
123 - 94 = 29
118 - 87 = 31
118 - 82 = 36
118 - 79 = 39
118 - 72 = 46
118 - 75 = 43
118 - 94 = 24
112 - 87 = 25
112 - 82 = 30
112 - 79 = 33
112 - 72 = 40
112 - 75 = 37
112 - 94 = 18
£1 - 65p = 35p
£1 - 80p = 20p
£1 - 19p = 81p
£1 - 21p = 79p
£1 - 73p = 27p
£1 - 96p = 4p
£1 - 64p = 36p
£1 - 56p = 44p
£1 - 71p = 29p
£1 - 10p = 90p
£1 - 12p = 88p
£1 - 63p = 37p
£1 - 87p = 13p
£1 - 55p = 45p
Change from £1 (E)
£1 - 43p = 57p
£1 - 57p = 43p
£1 - 56p = 44p
Change from £1
£1 - 34p = 66p
£1 - 48p = 52p
£1 - 49p = 51p
Week 9:
Adding and subtracting money
Sunglasses
£6.75 + 40p = £7.15
£6.75 + 20p = £6.95
£6.75 - 30p = £6.45
£6.75 + 4p = £6.79
£6.75 - £1 = £5.75
Bracelet
£4.43 + 40p = £4.83
£4.43 + 20p = £4.63
£4.43 - 30p = £4.13
£4.43 + 4p = £4.47
£4.43 - £1 = £3.43
Toy car
£2.36 + 40p = £2.76
£2.36 + 20p = £2.56
£2.36 - 30p = £2.06
£2.36 + 4p = £2.40
£2.36 - £1 = £1.36
Football
£5.62 + 40p = £6.02
£5.62 + 20p = £5.82
£5.62 - 30p = £5.32
£5.62 + 4p = £5.66
£5.62 - £1 = £4.62
Cap
£7.50 + 40p = £7.90
£7.50 + 20p = £7.70
£7.50 - 30p = £7.20
£7.50 + 4p = £7.54
£7.50 - £1 = £6.50
Girly flip flops
£9.80 + 40p = £9.80
£9.80 + 20p = £10
£9.80 - 30p = £9.50
£9.80 + 4p = £9.84
£9.80 - £1 = £8.80
Adding and subtracting
1. £4.78 - 70p = £4.08
2. £4.78 - 8p = £4.70
3. £4.78 - £4 = 78p
4. £8.35 - 5p = £8.30
5. £6.99 - 90p = £6.09
6. £5.75 - £5 = 75p
7. £9.99 - 9p = £9.90
8. £4.69 - 69p = £4
9. £8.45 - £8.40 = 5p
10. £5.47 - £5.07 = 40p
11. £4.59 + 20p = £4.79
12. £4.59 - 20p = £4.39
13. £5.79 - 5p = £5.74
14. £2.45 + 4p = £2.49
15. £7.25 + 30p = £7.55
16. £8.19 + 40p = £8.59
17. £9.78 - 30p = £9.48
18. £8.99 - 50p = £8.49
19. £6.85 - 40p = £6.45
20. £9.29 + 50p = £9.79
Week 10:
Adding and subtracting 20, 30, 40 and 50
1. 36 + 20 = 56
2. 57 + 20 = 77
3. 41 + 30 = 71
4. 64 + 30 = 94
5. 38 + 40 = 78
6. 42 + 50 = 92
7. 99 - 20 = 79
8. 83 - 20 = 63
9. 58 - 30 = 28
10. 60 - 30 = 30
11. 87 - 40 = 47
12. 73 - 50 = 23
Adding 11, 12, 13, 21, 22, 23, 31, 32 and 33
1. 34 + 11 = 45
2. 63 + 11 = 74
3. 72 + 11 = 83
4. 74 + 21 = 95
5. 35 + 21 = 56
6. 36 + 12 = 48
7. 72 + 22 = 94
8. 43 + 12 = 55
9. 64 + 21 = 85
10. 54 + 21 = 75
Dividing by 3, 4, 5 and 10
1. 11 ÷ 3 = 3 r2
2. 16 ÷ 5 = 3 r1
3. 13 ÷ 5 = 2 r3
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
45 + 31 = 76
61 + 32 = 93
64 + 23 = 87
53 + 22 = 75
35 + 32 = 67
65 + 33 = 98
29 + 11 = 40
38 + 12 = 50
74 + 13 = 87
78 + 22 = 100
4. 12 ÷ 5 = 2 r2
5. 11 ÷ 4 = 2 r3
6. 16 ÷ 4 = 4
7. 14 ÷ 3 = 4 r2
8. 14 ÷ 4 = 3 r2
9. 14 ÷ 5 = 2 r4
10. 21 ÷ 10 = 2 r1
Dividing by 2, 3, 4, 5 and 10
Section A:
11 ÷ 2 = 5 r1
17 ÷ 2 = 8 r1
13 ÷ 2 = 6 r1
9 ÷ 2 = 4 r1
11 ÷ 5 = 2 r1
17 ÷ 5 = 3 r2
13 ÷ 5 = 2 r3
9 ÷ 5 = 1 r4
11 ÷ 10 = 1 r1
17 ÷ 10 = 1 r7
13 ÷ 10 = 1 r3
9 ÷ 10 = 0 r9
12 ÷ 4 = 3
16 ÷ 4 = 4
15 ÷ 4 = 3 r3
20 ÷ 4 = 5
14 ÷ 4 = 3 r2
12 ÷ 5 = 2 r2
16 ÷ 5 = 3 r1
15 ÷ 5 = 3
20 ÷ 5 = 4
14 ÷ 5 = 2 r4
Section B:
12 ÷ 3 = 4
16 ÷ 3 = 5 r1
15 ÷ 3 = 5
20 ÷ 3 = 6 r2
14 ÷ 3 = 4 r2
Week 11:
Adding using place value
300 + 234 = 534
300 + 351 = 651
300 + 465 = 765
300 + 516 = 816
300 + 646 = 946
300 + 254 = 554
2 + 234 = 236
2 + 351 = 353
2 + 465 = 467
2 + 516 = 518
2 + 646 = 648
2 + 254 = 256
3 + 234 = 237
3 + 351 = 354
3 + 465 = 468
3 + 516 = 519
3 + 646 = 649
3 + 254 = 257
200 + 234 = 434
200 + 351 = 551
200 + 465 = 665
200 + 516 = 716
200 + 646 = 846
200 + 254 = 454
20 + 234 = 254
20 + 351 = 371
20 + 465 = 485
20 + 516 = 536
20 + 646 = 666
20 + 254 = 274
30 + 234 = 264
30 + 351 = 381
30 + 465 = 495
30 + 516 = 546
30 + 646 = 676
30 + 254 = 284
Adding using place value (H)
300 + 234 = 534
300 + 351 = 651
300 + 465 = 765
8 + 234 = 242
8 + 351 = 359
8 + 465 = 473
3 + 234 = 237
3 + 351 = 354
3 + 465 = 468
300 + 516 = 816
300 + 646 = 946
300 + 254 = 554
8 + 516 = 524
8 + 646 = 654
8 + 254 = 262
3 + 516 = 519
3 + 646 = 649
3 + 254 = 257
200 + 234 = 434
200 + 351 = 551
200 + 465 = 665
200 + 516 = 716
200 + 646 = 846
200 + 254 = 454
20 + 234 = 254
20 + 351 = 371
20 + 465 = 485
20 + 516 = 536
20 + 646 = 666
20 + 254 = 274
80 + 234 = 314
80 + 351 = 431
80 + 465 = 545
80 + 516 = 596
80 + 646 = 726
80 + 254 = 334
Adding
1. 45 + 10 = 55
2. 45 + 9 = 54
3. 63 + 20 = 83
4. 63 + 19 = 82
5. 57 + 20 = 77
6. 57 + 19 = 76
7. 32 + 20 = 52
8. 32 + 19 = 51
9. 46 + 30 = 76
10. 46 + 29 = 75
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
65 + 30 = 95
65 + 29 = 94
45 + 50 = 95
45 + 49 = 94
72 + 9 = 81
27 + 19 = 46
64 + 19 = 83
58 + 29 = 87
46 + 39 = 85
48 + 49 = 97
Subtracting 1s, 10s, 100 from 2 and 3-digit numbers
A
1.
2.
3.
4.
45 - 2 = 43
45 - 20 = 25
74 - 3 = 71
74 - 30 = 44
5.
6.
7.
8.
B
1.
2.
3.
4.
5.
6.
432 - 1 = 431
432 - 10 = 422
432 - 100 = 332
546 - 2 = 544
546 - 20 = 526
546 - 200 = 346
7. 658 - 4 = 654
8. 658 - 40 = 618
9. 658 - 400 = 258
10. 979 - 6 = 973
11. 979 - 60 = 919
12. 979 - 600 = 379
C
1.
2.
3.
4.
5.
6.
84 - 20 = 64 people left on the coach.
76 - 4 = 72 people left on the coach.
367 - 200 = 167 people left on the aeroplane.
453 - 40 = 413 people left on the aeroplane.
569 - 8 = 561 people left on the aeroplane.
625 - 30 = 595 people left on the aeroplane.
56 - 4 = 52
56 - 40 = 16
78 - 6 = 72
78 - 60 = 18
Adding 9, 10, 19 and 20
35 + 10 = 45
86 + 10 = 96
42 + 10 = 52
27 + 10 = 37
54 + 10 = 64
35 + 9 = 44
86 + 9 = 95
42 + 9 = 51
27 + 9 = 36
54 + 9 = 63
Adding 9, 10, 19 and 20
45 + 10 = 55
36 + 10 = 46
52 + 20 = 72
28 + 20 = 48
69 + 20 = 89
35 + 9 = 44
86 + 9 = 95
52 + 19 = 71
28 + 19 = 47
54 + 19 = 73
Adding Multiples and Multiples + 1 (E)
1.
2.
3.
4.
56 + 20 = 76
56 + 21 = 77
47 + 40 = 87
47 + 41 = 88
61 + 30 = 91
61 + 31 = 92
346 + 20 = 366 346 + 21 = 367
5.
6.
7.
8.
257 + 20 = 277
935 + 30 = 965
726 + 30 = 756
412 + 40 = 452
257 + 21 = 278
935 + 31 = 966
726 + 31 = 757
412 + 41 = 453
Adding two-digit numbers (E)
1. 43 + 11 = 54
2. 64 + 12 = 76
3. 42 + 13 = 55
4. 53 + 22 = 75
5. 74 + 21 = 95
6. 36 + 23 = 59
7. 25 + 20 = 45
8. 25 + 19 = 44
9. 46 + 20 = 66
10. 46 + 19 = 65
Adding two-digit numbers
1. 36 + 19 = 55
2. 45 + 21 = 66
3. 67 + 22 = 89
4. 38 + 31 = 69
5. 27 + 19 = 46
6. 64 + 29 = 93
7. 55 + 23 = 78
8. 38 + 21 = 59
9. 46 + 32 = 78
10. 53 + 29 = 82
11. 69 + 21 = 90
12. 43 + 14 = 57
Subtracting Multiples and Multiples + 1 (E)
1.
2.
3.
4.
75 - 20 = 55
87 - 30 = 57
94 - 40 = 54
346 - 20 = 326
75 - 21 = 54
87 - 31 = 56
94 - 41 = 53
346 - 21 = 325
5.
6.
7.
8.
257 - 20 = 237
955 - 30 = 925
786 - 30 = 756
432 - 20 = 412
257 - 21 = 236
955 - 31 = 924
786 - 31 = 755
432 – 21 = 411
Subtracting Multiples and Multiples +1/-1 (H)
1.
2.
3.
4.
5.
346 – 20 = 326
257 – 20 = 237
935 – 30 = 905
716 – 30 = 686
419 – 40 = 379
346 – 19 = 327
257 – 19 = 238
935 – 29 = 906
716 – 29 = 687
419 – 39 = 380
346 – 21 = 325
257 – 21 = 236
935 – 31 = 904
716 – 31 = 685
716 – 41 = 378