Keystones — Bedrock
Five GCSE retrieval questions · 21 May 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 36
Answer: 24 + 36 = 60 -
2. Algebra Substitution
If x = 7, find the value of 2x + 9
Answer: 23 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 9, 4, 23
Answer: 12