Keystones — Bedrock
Five GCSE retrieval questions · 12 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 62
Answer: 20 + 62 = 82 -
2. Algebra Substitution
If x = 10, find the value of 6x + 8
Answer: 68 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 20, 7, 9
Answer: 12