Keystones — Bedrock
Five GCSE retrieval questions · 28 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 37
Answer: 88 + 37 = 125 -
2. Algebra Substitution
If x = 4, find the value of 8x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 5, 11, 6, 14
Answer: 9