Keystones — Bedrock
Five GCSE retrieval questions · 19 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 57
Answer: 75 + 57 = 132 -
2. Algebra Substitution
If x = 4, find the value of 5x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 6, 17, 19, 2
Answer: 11