Keystones — Bedrock
Five GCSE retrieval questions · 14 January 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 22
Answer: 10 + 22 = 32 -
2. Algebra Substitution
If x = 9, find the value of 5x + 4
Answer: 49 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 9, 14, 20, 13
Answer: 14