Keystones — Bedrock
Five GCSE retrieval questions · 11 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 46
Answer: 26 + 46 = 72 -
2. Algebra Substitution
If x = 8, find the value of 4x + 3
Answer: 35 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 7, 18, 3, 20
Answer: 12