Keystones — Bedrock
Five GCSE retrieval questions · 22 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 41
Answer: 40 + 41 = 81 -
2. Algebra Substitution
If x = 4, find the value of 4x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 6, 15, 15
Answer: 12