Keystones — Bedrock
Five GCSE retrieval questions · 27 March 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 72
Answer: 39 + 72 = 111 -
2. Algebra Substitution
If x = 3, find the value of 2x + 12
Answer: 18 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:20
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 8, 5, 9, 11
Answer: 8.25