Keystones — Bedrock
Five GCSE retrieval questions · 4 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 49
Answer: 20 + 49 = 69 -
2. Algebra Substitution
If x = 6, find the value of 8x + 3
Answer: 51 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 5, 2, 5, 20
Answer: 8