Keystones — Bedrock
Five GCSE retrieval questions · 26 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 36
Answer: 43 + 36 = 79 -
2. Algebra Substitution
If x = 6, find the value of 2x + 12
Answer: 24 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 15, 12, 13
Answer: 13.333333333333