Keystones — Bedrock
Five GCSE retrieval questions · 23 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 48
Answer: 22 + 48 = 70 -
2. Algebra Substitution
If x = 2, find the value of 4x + 8
Answer: 16 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 3, 19, 17, 13
Answer: 13