Keystones — Bedrock
Five GCSE retrieval questions · 27 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 32
Answer: 39 + 32 = 71 -
2. Algebra Substitution
If x = 4, find the value of 8x + 12
Answer: 44 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 9, 19, 14
Answer: 14