Keystones — Bedrock
Five GCSE retrieval questions · 6 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 29
Answer: 28 + 29 = 57 -
2. Algebra Substitution
If x = 9, find the value of 3x + 3
Answer: 30 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 1, 4, 13, 12, 20
Answer: 10