Keystones — Bedrock
Five GCSE retrieval questions · 9 April 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 11
Answer: 22 + 11 = 33 -
2. Algebra Substitution
If x = 9, find the value of 2x + 9
Answer: 27 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 19, 6, 9, 18
Answer: 13