Keystones — Bedrock
Five GCSE retrieval questions · 5 April 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 66
Answer: 22 + 66 = 88 -
2. Algebra Substitution
If x = 2, find the value of 3x + 6
Answer: 12 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 9, 6, 20, 14
Answer: 12.25