Keystones — Bedrock
Five GCSE retrieval questions · 26 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 57
Answer: 31 + 57 = 88 -
2. Algebra Substitution
If x = 10, find the value of 4x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 8, 17, 5, 9, 6
Answer: 9