Keystones — Bedrock
Five GCSE retrieval questions · 26 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 35
Answer: 35 + 35 = 70 -
2. Algebra Substitution
If x = 6, find the value of 4x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 16, 17, 6, 2, 4
Answer: 9