Keystones — Bedrock
Five GCSE retrieval questions · 20 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 60 + 94
Answer: 60 + 94 = 154 -
2. Algebra Substitution
If x = 7, find the value of 4x + 4
Answer: 32 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 15, 11, 5, 11, 10
Answer: 10.4