Keystones — Bedrock
Five GCSE retrieval questions · 3 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 19
Answer: 45 + 19 = 64 -
2. Algebra Substitution
If x = 4, find the value of 7x + 11
Answer: 39 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 17, 17, 9, 14
Answer: 14.25