Keystones — Bedrock
Five GCSE retrieval questions · 12 December 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 72
Answer: 24 + 72 = 96 -
2. Algebra Substitution
If x = 7, find the value of 5x + 5
Answer: 40 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 16, 7, 2, 12, 5
Answer: 8.4