Keystones — Bedrock
Five GCSE retrieval questions · 13 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 49
Answer: 22 + 49 = 71 -
2. Algebra Substitution
If x = 3, find the value of 8x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 20, 13, 13, 17, 9
Answer: 14.4