Keystones — Bedrock
Five GCSE retrieval questions · 12 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 56
Answer: 85 + 56 = 141 -
2. Algebra Substitution
If x = 5, find the value of 4x + 9
Answer: 29 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:6
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 17, 18, 2, 9, 19
Answer: 13