Keystones — Bedrock
Five GCSE retrieval questions · 22 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 48
Answer: 47 + 48 = 95 -
2. Algebra Substitution
If x = 10, find the value of 2x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 14, 15, 9
Answer: 12.666666666667