Keystones — Bedrock
Five GCSE retrieval questions · 21 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 62
Answer: 66 + 62 = 128 -
2. Algebra Substitution
If x = 6, find the value of 2x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 19, 17, 2, 17, 6
Answer: 12.2