Keystones — Bedrock
Five GCSE retrieval questions · 24 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 44
Answer: 39 + 44 = 83 -
2. Algebra Substitution
If x = 2, find the value of 6x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 17, 12, 13, 9, 9
Answer: 12