Keystones — Bedrock
Five GCSE retrieval questions · 5 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 10
Answer: 39 + 10 = 49 -
2. Algebra Substitution
If x = 5, find the value of 3x + 5
Answer: 20 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 20, 11, 6, 19
Answer: 14