Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 34
Answer: 21 + 34 = 55 -
2. Algebra Substitution
If x = 5, find the value of 2x + 9
Answer: 19 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 13, 8, 11
Answer: 10.666666666667