Keystones — Bedrock
Five GCSE retrieval questions · 17 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 24
Answer: 33 + 24 = 57 -
2. Algebra Substitution
If x = 8, find the value of 8x + 12
Answer: 76 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 14, 9, 15, 19
Answer: 14.25