Keystones — Bedrock
Five GCSE retrieval questions · 24 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 18
Answer: 22 + 18 = 40 -
2. Algebra Substitution
If x = 9, find the value of 7x + 8
Answer: 71 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 14, 10, 3
Answer: 9