Keystones — Bedrock
Five GCSE retrieval questions · 14 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 69
Answer: 89 + 69 = 158 -
2. Algebra Substitution
If x = 7, find the value of 5x + 8
Answer: 43 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 12, 15, 5, 12
Answer: 11