Keystones — Bedrock
Five GCSE retrieval questions · 22 March 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 30
Answer: 33 + 30 = 63 -
2. Algebra Substitution
If x = 4, find the value of 4x + 6
Answer: 22 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 9, 16, 3
Answer: 9.3333333333333