Keystones — Bedrock
Five GCSE retrieval questions · 30 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 38
Answer: 42 + 38 = 80 -
2. Algebra Substitution
If x = 2, find the value of 6x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 18, 14, 8
Answer: 13.333333333333