Keystones — Bedrock
Five GCSE retrieval questions · 12 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 12
Answer: 22 + 12 = 34 -
2. Algebra Substitution
If x = 9, find the value of 2x + 9
Answer: 27 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 10, 20, 6
Answer: 12