Keystones — Bedrock
Five GCSE retrieval questions · 23 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 77
Answer: 34 + 77 = 111 -
2. Algebra Substitution
If x = 7, find the value of 3x + 5
Answer: 26 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 3, 21, 6
Answer: 10