Starter quiz
- Tick all of the statements which are true.
- 10 p = 10 × 1 p ✓
- £1 = 100 p ✓
- There are one hundred pennies in one pound. ✓
- £1 = 10 p × 10 ✓
- There are one hundred ten pences in one pound.
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- Calculate: 253 + 316 = ______
- '569' ✓
- Calculate: 2.53 + 3.16 = ______
- '5.69' ✓
- Calculate: 4.25 + 2.63 = ______
- '6.88' ✓
- Match the vocabulary with the correct definitions.
- addend⇔a number added to another number ✓
- altogether⇔another way of saying 'in total' ✓
- regroup⇔the process of unitising and exchanging between place values ✓
- sum⇔the result of adding two or more numbers ✓
- 435 + 99 =
- '534' ✓
Exit quiz
- Calculate. Write your answer using correct notation. £5.42 + £2.34 = ______
- '£7.76' ✓
- Calculate. Write your answer using correct notation. £7.85 + £12.44 = ______
- '£20.29' ✓
- Calculate. Write your answer using correct notation. £6.75 + £5.48 + £7.47 =
- '£19.70' ✓
- Match the calculation with the correct strategy that has been used.
- £2.95 + £3.38 = £3 + £3.33⇔compensating ✓
- £2.95 + £3.38=£3.38 + £3 - 5 p⇔rounding and adjusting ✓
- £2.43 + £3 + 20 p + 4 p⇔partitioning ✓
- Use rounding and adjusting to find the sum of £4.53 + £2.98 Remember to write your answer using correct notation.
- '£7.51' ✓
- Use a compensating strategy to solve £5.95 + £2.75 Remember to write your answer using correct notation.
- '£8.70' ✓
Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Informal calculation strategies such as rounding and compensating can be applied to calculating with money.
- Same sum generalisation can be applied to calculating with money.
- Column addition can be used to calculate with money but is not always the most efficient strategy.
Common misconception
When using column addition with regrouping, pupils put the regrouped digits in the wrong order.
Part of the first lesson cycle includes an example of a pupil getting it wrong, as well as the correct way to show the calculation.
Keywords
Addend - An addend is a number added to another.
Altogether - The word altogether is another way of saying total.
Regroup - The process of unitising and exchanging between place values is known as regrouping.
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