Keystones — Bedrock
Five GCSE retrieval questions · 16 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 68
Answer: 22 + 68 = 90 -
2. Algebra Substitution
If x = 9, find the value of 3x + 7
Answer: 34 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 16, 8, 17, 14
Answer: 13.75