Keystones — Bedrock
Five GCSE retrieval questions · 24 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 15
Answer: 20 + 15 = 35 -
2. Algebra Substitution
If x = 7, find the value of 3x + 8
Answer: 29 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 7, 10, 20, 10, 10
Answer: 11.4