Curriculum-aligned activities
Estimate the result of a calculation by using sensible rounding.
Recall all addition and subtraction facts for each number to 20. Use this to solve problems involving small or large numbers.
Derive and recall all number pairs that total 100. Add or subtract mentally pairs of two-digit whole numbers (e.g. 47 + 58, 91 - 35).
Understand why the commutative, associative and distributive laws apply to addition and multiplication and how they can be used to do mental and written calculations more efficiently.
Find percentages of numbers and quantities (e.g. 10%, 5% and 15% of 80p)
Find a fraction of a number using division and multiplication. e.g. Find 3/8 of 32.
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