Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 28
Answer: 21 + 28 = 49 -
2. Algebra Substitution
If x = 5, find the value of 2x + 3
Answer: 13 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 12, 10, 13
Answer: 11.666666666667