Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 22
Answer: 75 + 22 = 97 -
2. Algebra Substitution
If x = 10, find the value of 6x + 9
Answer: 69 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 9, 12, 19, 12
Answer: 13