Keystones — Bedrock
Five GCSE retrieval questions · 2 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 28
Answer: 52 + 28 = 80 -
2. Algebra Substitution
If x = 3, find the value of 2x + 11
Answer: 17 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 6, 16, 10, 3
Answer: 8.75