Keystones — Bedrock
Five GCSE retrieval questions · 12 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 14
Answer: 24 + 14 = 38 -
2. Algebra Substitution
If x = 4, find the value of 3x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 2, 22, 19, 9
Answer: 13