Keystones — Bedrock
Five GCSE retrieval questions · 17 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 17
Answer: 39 + 17 = 56 -
2. Algebra Substitution
If x = 9, find the value of 5x + 5
Answer: 50 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 5, 10, 16, 2
Answer: 7