Keystones — Bedrock
Five GCSE retrieval questions · 9 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 83
Answer: 21 + 83 = 104 -
2. Algebra Substitution
If x = 9, find the value of 7x + 4
Answer: 67 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 4, 9
Answer: 10