Keystones — Bedrock
Five GCSE retrieval questions · 21 May 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 24
Answer: 10 + 24 = 34 -
2. Algebra Substitution
If x = 10, find the value of 5x + 11
Answer: 61 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 13, 15, 16
Answer: 14.666666666667