Keystones — Bedrock
Five GCSE retrieval questions · 10 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 93
Answer: 66 + 93 = 159 -
2. Algebra Substitution
If x = 9, find the value of 6x + 10
Answer: 64 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 20, 9, 18, 7, 15
Answer: 13.8