1. Decimals Year 6 (age 10-11)

3. Count back 0.7 from 0.3. 1 -1
-0.4
-0.3
-0.2
-0.1
0.1
0.2
0.3

4. Count on 1.1 from -0.5. 1 -1
-0.5
-0.4
-0.3
-0.2
-0.1
0.1
0.2
0.3
0.4
0.5
0.6

5. Count back 2.5 from 1.5. 5 -5 -4 -3 -2 -1 1 2 3 4 -1
-0.5
0.5
1.5 1

6. -1.5 -1 -0.5 0.5 1.5 1 2 Count on 3.5 from -1.5. 5 -5 -4 -3 -2 -1 1 25 -5 -4 -3 -2 -1 1 2 3 4
-1.5 -1
-0.5
0.5
1.5 1 2

8. Ten thousandths
Tens
Units
Tenths
Hundredths
Thousandths 6 8 . 1 5 7 2
Round to the nearest: 68
68.16
Whole number:
2 decimal places:
1 decimal place:
68.2
68.157
3 decimal places:

9. Ten thousandths
Tens
Units
Tenths
Hundredths
Thousandths 5 6 . 6 9 2 6
Round to the nearest: 57
56.69
Whole number:
2 decimal places:
56.693
1 decimal place:
56.7
3 decimal places:

11. Units
Tenths
Hundredths
Thousandths
Ten thousandths
Tens . 7 2 5 3 9
Round to the nearest:
Whole number: 73
Hundredth:
72.5
Tenth:
72.5
Thousandth:
72.504

12. Units
Tenths
Hundredths
Thousandths
Ten thousandths
Tens . 4 6 4 9
Round to the nearest:
Whole number: 46
Hundredth:
46.04
Tenth: 46
Thousandth:
46.041

14. 2 3 2 5 5 4 5
1 2 4
2 3 2 . 4 5 . 7 5 5
1 2 . 2 4
2 3 . 3 2

15. 4 . 2 4 . 2 5 5
2 1 . 1 4
1 7 . 1 2

17. 1 2 6 4 . 2 5 . 1 3 2 1

18. 4 7 . 7 5 6 4 . 3 1 2 3

20. 4 . 7 6 . 8 4
1 8 . 2 8 8
5 4 . 6 4

21. 3 . 1 6 5
1 5 . 8 3

22. 6 . 3 5 4
2 5 . 4 1 2

24. . 4 1 6
1x = 19
2x = 38
3x = 57
4x = 76
5x = 95
6x = 114
7x = 133
8x = 152
9x = 171
10x = 190 19 .
- 7 6 3
- 1 9
1 1 4

25. . 4 4
1x = 32
2x = 64
3x = 96
4x = 128
5x = 160
6x = 192
7x = 224
8x = 256
9x = 288
10x = 320 32 .
1 2 8

27. . 3 4 2
1x = 24
2x = 48
3x = 72
4x = 96
5x = 120
6x = 144
7x = 168
8x = 192
9x = 216
10x = 240 24 .
- 7 2
1 0
- 9 6 4 8
- 4 8

28. . 5 6 1
1x = 27
2x = 54
3x = 81
4x = 108
5x = 135
6x = 162
7x = 189
8x = 216
9x = 243
10x = 270 27 .
1 6 4 2 7
- 2 7

30. . 2 1 5
1x = 32
2x = 64
3x = 96
4x = 128
5x = 160
6x = 192
7x = 224
8x = 256
9x = 288
10x = 320 32
6 8 8 .
- 6 4 4 8
- 3 2
1 6

31. . 3 2 5
1x = 26
2x = 52
3x = 78
4x = 104
5x = 130
6x = 156
7x = 182
8x = 208
9x = 134
10x = 260 26
8 4 5 .
- 7 8 6 5
- 5 2
1 3

32. . 8 7 5
1x = 24
2x = 48
3x = 72
4x = 96
5x = 120
6x = 144
7x = 168
8x = 192
9x = 216
10x = 240 24
2 1 0 .
1 8
1 2

34. Find the number halfway between 0.5 and 0.7.
0.6 ?
1) Find the difference.
2) Find half the difference.
3) Add half the difference to the smallest number. . 1
0.7
0.5 -
0.5 2 +
0.1
0.2 . 2 . 6

35. 0.5
0.6
0.7 1

36. Find the number halfway between 5.2 and 5.3.
5.25 ?
1) Find the difference.
2) Find half the difference.
3) Add half the difference to the smallest number.
5.3 . 5
5.2 -
5.2 +
0.05 2
0.1 1 . 1 5 . 2 5

37. 5.2
5.3
5.25

38. Find the number halfway between 0.52 and 0.55.
0.535 ?
1) Find the difference.
2) Find half the difference.
3) Add half the difference to the smallest number.
0.55 . 1 5
0.52 -
0.52 +
0.015 2
0.03 1 . 3 . 5 3 5

39. 0.52
0.53
0.54
0.55
0.535

40. Find the number halfway between 4 and 4.25.
4.125 ?
1) Find the difference.
2) Find half the difference.
3) Add half the difference to the smallest number.
4.2 5 . 1 2 5 4
.000 - 4
.0 0 +
0.125 2
0.25 1 . 2 5 4 . 1 2 5

41. 4
4.1
4.2
4.25
4.125

42. Find the number halfway between 2.57 and 4.93.
3.75 ?
1) Find the difference.
2) Find half the difference.
3) Add half the difference to the smallest number. 8 1
4.9 3 1 1 . 1 8
2.5 7 -
2.5 7 +
1.1 8 2
2.3 6 1 . 2 3 6 3 . 7 5

44. 2 5 3 4
Write as a decimal.
Write as a decimal. . 4 . 7 5 5 2 . 2 4 3 . 3 2

45. 7 10 3 8
Write as a decimal.
Write as a decimal. . 7 . 3 7 5 10 7 . 7 8 3 . 3 6 4