Keystones — Bedrock
Five GCSE retrieval questions · 18 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 19
Answer: 22 + 19 = 41 -
2. Algebra Substitution
If x = 3, find the value of 5x + 8
Answer: 23 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 15, 19, 16
Answer: 16.666666666667