Keystones — Bedrock
Five GCSE retrieval questions · 13 March 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 16
Answer: 33 + 16 = 49 -
2. Algebra Substitution
If x = 2, find the value of 7x + 5
Answer: 19 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 12, 11, 7, 9
Answer: 9.75