Keystones — Bedrock
Five GCSE retrieval questions · 13 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 12
Answer: 42 + 12 = 54 -
2. Algebra Substitution
If x = 5, find the value of 6x + 6
Answer: 36 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 12, 5, 2, 16, 15
Answer: 10