Keystones — Bedrock
Five GCSE retrieval questions · 12 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 74
Answer: 77 + 74 = 151 -
2. Algebra Substitution
If x = 7, find the value of 8x + 7
Answer: 63 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 4, 6, 7, 8
Answer: 6.25