Keystones — Bedrock
Five GCSE retrieval questions · 9 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 69
Answer: 86 + 69 = 155 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:20
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 15, 7
Answer: 11