Keystones — Bedrock
Five GCSE retrieval questions · 18 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 29
Answer: 39 + 29 = 68 -
2. Algebra Substitution
If x = 2, find the value of 4x + 10
Answer: 18 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 17, 13, 12, 18
Answer: 15