Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 42
Answer: 44 + 42 = 86 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 6, 7, 19
Answer: 10.666666666667