Keystones — Bedrock
Five GCSE retrieval questions · 25 July 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 40
Answer: 38 + 40 = 78 -
2. Algebra Substitution
If x = 6, find the value of 5x + 5
Answer: 35 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 12, 11, 18, 7
Answer: 12