Keystones — Bedrock
Five GCSE retrieval questions · 16 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 41
Answer: 24 + 41 = 65 -
2. Algebra Substitution
If x = 7, find the value of 3x + 8
Answer: 29 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 18, 9, 18
Answer: 15