Keystones — Bedrock
Five GCSE retrieval questions · 25 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 39
Answer: 19 + 39 = 58 -
2. Algebra Substitution
If x = 8, find the value of 5x + 8
Answer: 48 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 8, 10, 12, 4, 11
Answer: 9