Keystones — Bedrock
Five GCSE retrieval questions · 27 April 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 48
Answer: 22 + 48 = 70 -
2. Algebra Substitution
If x = 8, find the value of 4x + 5
Answer: 37 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 7, 8, 8, 17
Answer: 10