Keystones — Bedrock
Five GCSE retrieval questions · 22 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 19
Answer: 29 + 19 = 48 -
2. Algebra Substitution
If x = 2, find the value of 4x + 8
Answer: 16 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 3, 17, 18
Answer: 12.666666666667