Keystones — Bedrock
Five GCSE retrieval questions · 31 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 42
Answer: 84 + 42 = 126 -
2. Algebra Substitution
If x = 6, find the value of 6x + 10
Answer: 46 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 2, 7, 5, 12
Answer: 6.5