Keystones — Bedrock
Five GCSE retrieval questions · 2 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 56
Answer: 27 + 56 = 83 -
2. Algebra Substitution
If x = 7, find the value of 3x + 4
Answer: 25 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 20, 10, 16, 3, 13
Answer: 12.4