Keystones — Bedrock
Five GCSE retrieval questions · 15 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 53
Answer: 52 + 53 = 105 -
2. Algebra Substitution
If x = 6, find the value of 4x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 4, 18, 17
Answer: 13