Keystones — Bedrock
Five GCSE retrieval questions · 17 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 93
Answer: 74 + 93 = 167 -
2. Algebra Substitution
If x = 5, find the value of 4x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 16, 7, 15, 17, 5
Answer: 12