# Decimal Number Bonds

## Lesson details

### Key learning points

1. In this lesson, we will use our knowledge of whole-number number bonds to solve decimal-number number bonds.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Starter quiz

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### 6 Questions

Q1.
Round 0.2 to the nearest whole number
1
2
Q2.
Round 19.7 to the nearest whole number
17
19
9
Q3.
Round 523.7 to the nearest whole number
23
24
523
Q4.
I think of a number with one decimal place and round it to the nearest whole number. The answer is 62. What is the highest possible number I could have thought of?
61.9
62.5
62.9
Q5.
I think of a number with one decimal place and round it to the nearest whole number. The answer is 435. What is the lowest possible number I could have thought of?
434.9
435.1
435.4
Q6.
I think of a number with one decimal place and round it to the nearest whole number. The answer is 9. How many possible numbers could I have thought of?
10
4
5

## Exit quiz

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### 6 Questions

Q1.
200 + 30 + 0.5
Correct answer: 200 + 30 + 1 + 0.5
200 + 30 + 1 + 5
Q2.
If 1 is the whole and 0.8 is a part, what is the other part?
0.1
2
8
Q3.
If 5 is the whole and 2.1 is a part, what is the other part?
0.9
29
5.9
Q4.
If 10 is the whole and 7.3 is a part, what is the other part?
27
3.7
37
Q5.
If 10 is the whole and 1.6 is a part, what is the other part?
0.4
10