Keystones — Bedrock
Five GCSE retrieval questions · 9 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 21
Answer: 35 + 21 = 56 -
2. Algebra Substitution
If x = 7, find the value of 5x + 4
Answer: 39 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 20, 2, 7, 8, 18
Answer: 11