Keystones — Bedrock
Five GCSE retrieval questions · 31 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 42
Answer: 13 + 42 = 55 -
2. Algebra Substitution
If x = 7, find the value of 3x + 3
Answer: 24 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 5, 2, 17
Answer: 8