Keystones — Bedrock
Five GCSE retrieval questions · 18 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 54
Answer: 21 + 54 = 75 -
2. Algebra Substitution
If x = 10, find the value of 5x + 10
Answer: 60 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 11, 20, 4, 21
Answer: 14