Keystones — Bedrock
Five GCSE retrieval questions · 16 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 94 + 23
Answer: 94 + 23 = 117 -
2. Algebra Substitution
If x = 2, find the value of 2x + 3
Answer: 7 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 4, 17, 1, 10
Answer: 8