Keystones — Bedrock
Five GCSE retrieval questions · 29 January 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 74
Answer: 86 + 74 = 160 -
2. Algebra Substitution
If x = 9, find the value of 2x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 17, 9, 15, 7, 4
Answer: 10.4