Keystones — Bedrock
Five GCSE retrieval questions · 8 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 31
Answer: 42 + 31 = 73 -
2. Algebra Substitution
If x = 10, find the value of 3x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 19, 18, 16
Answer: 16