Keystones — Bedrock
Five GCSE retrieval questions · 28 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 28
Answer: 69 + 28 = 97 -
2. Algebra Substitution
If x = 3, find the value of 2x + 11
Answer: 17 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 19, 19, 5, 10
Answer: 13.25