Keystones — Bedrock
Five GCSE retrieval questions · 13 January 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 23
Answer: 39 + 23 = 62 -
2. Algebra Substitution
If x = 10, find the value of 8x + 11
Answer: 91 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 13, 9, 2, 19, 7
Answer: 10