Keystones — Bedrock
Five GCSE retrieval questions · 15 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 49
Answer: 33 + 49 = 82 -
2. Algebra Substitution
If x = 5, find the value of 3x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 13, 12, 8
Answer: 11