Keystones — Bedrock
Five GCSE retrieval questions · 17 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 11
Answer: 21 + 11 = 32 -
2. Algebra Substitution
If x = 9, find the value of 6x + 6
Answer: 60 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 3, 16, 18
Answer: 10.25