Keystones — Bedrock
Five GCSE retrieval questions · 21 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 43
Answer: 14 + 43 = 57 -
2. Algebra Substitution
If x = 8, find the value of 3x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 17, 8, 10, 13, 12
Answer: 12