Keystones — Bedrock
Five GCSE retrieval questions · 23 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 11
Answer: 22 + 11 = 33 -
2. Algebra Substitution
If x = 2, find the value of 3x + 4
Answer: 10 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 8, 12, 10, 10
Answer: 10