Keystones — Bedrock
Five GCSE retrieval questions · 7 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 58
Answer: 54 + 58 = 112 -
2. Algebra Substitution
If x = 8, find the value of 8x + 5
Answer: 69 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 8, 8, 4, 16, 17
Answer: 10.6