Keystones — Bedrock
Five GCSE retrieval questions · 23 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 32
Answer: 40 + 32 = 72 -
2. Algebra Substitution
If x = 4, find the value of 4x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 17, 12, 14, 13
Answer: 14