Keystones — Bedrock
Five GCSE retrieval questions · 8 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 75
Answer: 99 + 75 = 174 -
2. Algebra Substitution
If x = 2, find the value of 3x + 9
Answer: 15 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 3, 6, 7, 18, 16
Answer: 10