Keystones — Bedrock
Five GCSE retrieval questions · 14 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 24
Answer: 17 + 24 = 41 -
2. Algebra Substitution
If x = 10, find the value of 3x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 12, 12, 18, 2
Answer: 11