Keystones — Bedrock
Five GCSE retrieval questions · 26 September 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 88
Answer: 47 + 88 = 135 -
2. Algebra Substitution
If x = 2, find the value of 2x + 8
Answer: 12 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 16, 6, 12, 15, 11
Answer: 12