Keystones — Bedrock
Five GCSE retrieval questions · 25 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 44
Answer: 74 + 44 = 118 -
2. Algebra Substitution
If x = 6, find the value of 2x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 15, 17
Answer: 17.333333333333