Keystones — Bedrock
Five GCSE retrieval questions · 4 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 19
Answer: 34 + 19 = 53 -
2. Algebra Substitution
If x = 5, find the value of 2x + 3
Answer: 13 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 2, 20, 16, 2
Answer: 10