Keystones — Bedrock
Five GCSE retrieval questions · 17 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 80
Answer: 37 + 80 = 117 -
2. Algebra Substitution
If x = 8, find the value of 3x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 19, 14
Answer: 15.666666666667