Keystones — Bedrock
Five GCSE retrieval questions · 19 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 93
Answer: 47 + 93 = 140 -
2. Algebra Substitution
If x = 10, find the value of 3x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 10, 1, 17, 16
Answer: 11