Keystones — Bedrock
Five GCSE retrieval questions · 12 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 33
Answer: 39 + 33 = 72 -
2. Algebra Substitution
If x = 10, find the value of 2x + 10
Answer: 30 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 18, 11, 10, 10
Answer: 12.25