Keystones — Bedrock
Five GCSE retrieval questions · 19 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 63
Answer: 87 + 63 = 150 -
2. Algebra Substitution
If x = 2, find the value of 2x + 6
Answer: 10 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 13, 6, 6, 3
Answer: 7