Keystones — Bedrock
Five GCSE retrieval questions · 6 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 19
Answer: 18 + 19 = 37 -
2. Algebra Substitution
If x = 7, find the value of 3x + 12
Answer: 33 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 11, 7, 19, 7, 16
Answer: 12