Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 14
Answer: 20 + 14 = 34 -
2. Algebra Substitution
If x = 6, find the value of 8x + 12
Answer: 60 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 23, 2, 19, 12
Answer: 14