Keystones — Bedrock
Five GCSE retrieval questions · 2 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 49
Answer: 34 + 49 = 83 -
2. Algebra Substitution
If x = 5, find the value of 3x + 8
Answer: 23 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 15, 9, 24, 16, 11
Answer: 15