Keystones — Bedrock
Five GCSE retrieval questions · 30 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 46
Answer: 21 + 46 = 67 -
2. Algebra Substitution
If x = 9, find the value of 2x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 2, 3, 16, 23
Answer: 11