Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 20
Answer: 11 + 20 = 31 -
2. Algebra Substitution
If x = 6, find the value of 2x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 9, 4, 4, 7
Answer: 6