Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 40
Answer: 20 + 40 = 60 -
2. Algebra Substitution
If x = 10, find the value of 3x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 12, 8, 3, 3
Answer: 6.5