Keystones — Bedrock
Five GCSE retrieval questions · 29 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 24
Answer: 42 + 24 = 66 -
2. Algebra Substitution
If x = 6, find the value of 3x + 4
Answer: 22 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 18, 10, 3, 17
Answer: 12