Keystones — Bedrock
Five GCSE retrieval questions · 3 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 97
Answer: 24 + 97 = 121 -
2. Algebra Substitution
If x = 2, find the value of 4x + 3
Answer: 11 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:4
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 15, 10, 15, 11, 19
Answer: 14