Keystones — Bedrock
Five GCSE retrieval questions · 11 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 25
Answer: 39 + 25 = 64 -
2. Algebra Substitution
If x = 7, find the value of 6x + 9
Answer: 51 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 3, 9, 17, 13, 13
Answer: 11