Keystones — Bedrock
Five GCSE retrieval questions · 27 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 29
Answer: 40 + 29 = 69 -
2. Algebra Substitution
If x = 10, find the value of 4x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 19, 11, 10, 20
Answer: 15