Keystones — Bedrock
Five GCSE retrieval questions · 5 February 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 20
Answer: 49 + 20 = 69 -
2. Algebra Substitution
If x = 9, find the value of 8x + 9
Answer: 81 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 7, 17, 9, 10, 18
Answer: 12.2