Keystones — Bedrock
Five GCSE retrieval questions · 23 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 63
Answer: 28 + 63 = 91 -
2. Algebra Substitution
If x = 7, find the value of 8x + 10
Answer: 66 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 6, 19, 5
Answer: 8.5