Keystones — Bedrock
Five GCSE retrieval questions · 2 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 92
Answer: 51 + 92 = 143 -
2. Algebra Substitution
If x = 7, find the value of 7x + 9
Answer: 58 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 20, 5, 2, 3
Answer: 7.5