Pupils use strategies to make solving calculations more efficient
Lesson 5 / 5
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I can use strategies to make solving calculations more efficient.
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Equivalent calculations can be used with the same difference or same sum to make calculations ‘easier’.
A number line can be used to represent more efficient methods.
Inverse, the relationship between addition and subtraction, can be used to solve missing number problems.
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This content is by Cashar and published under an open licence.