Keystones — Bedrock
Five GCSE retrieval questions · 6 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 24
Answer: 27 + 24 = 51 -
2. Algebra Substitution
If x = 3, find the value of 3x + 7
Answer: 16 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 13, 4, 14, 15
Answer: 11.5