Keystones — Bedrock
Five GCSE retrieval questions · 5 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 16
Answer: 18 + 16 = 34 -
2. Algebra Substitution
If x = 10, find the value of 2x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 9, 2, 18
Answer: 10.75