Keystones — Bedrock
Five GCSE retrieval questions · 3 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 19
Answer: 15 + 19 = 34 -
2. Algebra Substitution
If x = 4, find the value of 3x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 6, 2, 16, 12, 12
Answer: 9.6