Keystones — Bedrock
Five GCSE retrieval questions · 11 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 51
Answer: 84 + 51 = 135 -
2. Algebra Substitution
If x = 3, find the value of 7x + 6
Answer: 27 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 10, 6, 15, 17
Answer: 12