Keystones — Bedrock
Five GCSE retrieval questions · 30 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 25
Answer: 28 + 25 = 53 -
2. Algebra Substitution
If x = 4, find the value of 3x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 13, 10, 20, 13
Answer: 14