Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 65
Answer: 72 + 65 = 137 -
2. Algebra Substitution
If x = 2, find the value of 8x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 20, 11, 3
Answer: 11.333333333333