Keystones — Bedrock
Five GCSE retrieval questions · 31 May 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 27
Answer: 35 + 27 = 62 -
2. Algebra Substitution
If x = 4, find the value of 2x + 4
Answer: 12 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 14, 12, 18, 18, 3
Answer: 13