Keystones — Bedrock
Five GCSE retrieval questions · 29 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 43
Answer: 43 + 43 = 86 -
2. Algebra Substitution
If x = 6, find the value of 3x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 13, 14, 12, 19
Answer: 14.5