Keystones — Bedrock
Five GCSE retrieval questions · 12 June 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 11
Answer: 28 + 11 = 39 -
2. Algebra Substitution
If x = 4, find the value of 3x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 4, 7, 7, 18
Answer: 9