Keystones — Bedrock
Five GCSE retrieval questions · 1 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 27
Answer: 47 + 27 = 74 -
2. Algebra Substitution
If x = 7, find the value of 5x + 3
Answer: 38 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 15, 9, 12, 4
Answer: 10