Keystones — Bedrock
Five GCSE retrieval questions · 20 March 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 12
Answer: 24 + 12 = 36 -
2. Algebra Substitution
If x = 7, find the value of 3x + 8
Answer: 29 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 8, 5, 20, 19
Answer: 11.2