Use and explain the most efficient strategies when adding quantities of money
I can use and explain the most efficient strategies when adding quantities of money
Use and explain the most efficient strategies when adding quantities of money
I can use and explain the most efficient strategies when adding quantities of money
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.
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.
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.
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Lesson video
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Starter quiz
6 Questions
a number added to another number
another way of saying 'in total'
the process of unitising and exchanging between place values
the result of adding two or more numbers
Exit quiz
6 Questions
compensating
rounding and adjusting
partitioning