Number Bonds
Find pairs of numbers with a given total. Play against the clock.
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KS2 Primary Framework:
Year 3:
Derive and recall all addition and subtraction facts for each number to 20, sums and differences of multiples of 10 and number pairs that total 100 (Block A, Block B and Block E)
Add or subtract mentally combinations of one–digit and two–digit numbers (Block A)
Year 4:
Add or subtract mentally pairs of two-digit whole numbers (Block A)
Identify pairs of fractions that total one (Block E)
Year 5:
Use knowledge of place value and addition and subtraction of two-digit numbers to derive sums and differences and doubles and halves of decimals