Keystones — Bedrock
Five GCSE retrieval questions · 19 February 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 39
Answer: 22 + 39 = 61 -
2. Algebra Substitution
If x = 8, find the value of 3x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 5, 16, 17, 17, 5
Answer: 12