Keystones — Bedrock
Five GCSE retrieval questions · 9 February 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 12
Answer: 45 + 12 = 57 -
2. Algebra Substitution
If x = 10, find the value of 3x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 10, 5, 13
Answer: 11.25