Keystones — Bedrock
Five GCSE retrieval questions · 28 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 51
Answer: 28 + 51 = 79 -
2. Algebra Substitution
If x = 6, find the value of 5x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 17, 8, 13, 2, 20
Answer: 12