Keystones — Bedrock
Five GCSE retrieval questions · 13 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 21
Answer: 22 + 21 = 43 -
2. Algebra Substitution
If x = 10, find the value of 3x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 5, 17, 9
Answer: 10.333333333333