Keystones — Bedrock
Five GCSE retrieval questions · 23 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 55
Answer: 72 + 55 = 127 -
2. Algebra Substitution
If x = 8, find the value of 4x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 16, 17
Answer: 14.666666666667