Keystones — Bedrock
Five GCSE retrieval questions · 3 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 23
Answer: 38 + 23 = 61 -
2. Algebra Substitution
If x = 9, find the value of 5x + 5
Answer: 50 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 11, 10
Answer: 10.666666666667