Keystones — Bedrock
Five GCSE retrieval questions · 29 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 25
Answer: 51 + 25 = 76 -
2. Algebra Substitution
If x = 6, find the value of 7x + 8
Answer: 50 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 14, 14, 17, 7, 16
Answer: 13.6