Keystones — Bedrock
Five GCSE retrieval questions · 6 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 48
Answer: 30 + 48 = 78 -
2. Algebra Substitution
If x = 6, find the value of 2x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 9, 5, 7
Answer: 7