Keystones — Bedrock
Five GCSE retrieval questions · 1 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 51
Answer: 38 + 51 = 89 -
2. Algebra Substitution
If x = 7, find the value of 3x + 3
Answer: 24 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 4, 8, 16, 16
Answer: 11