Keystones — Bedrock
Five GCSE retrieval questions · 21 July 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 20
Answer: 48 + 20 = 68 -
2. Algebra Substitution
If x = 4, find the value of 4x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 5, 10, 15, 10
Answer: 10