Keystones — Bedrock
Five GCSE retrieval questions · 18 January 2023 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 97
Answer: 71 + 97 = 168 -
2. Algebra Substitution
If x = 7, find the value of 4x + 8
Answer: 36 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 8, 11, 17, 16, 6
Answer: 11.6