Keystones — Bedrock
Five GCSE retrieval questions · 25 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 22
Answer: 28 + 22 = 50 -
2. Algebra Substitution
If x = 8, find the value of 7x + 10
Answer: 66 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 5, 10, 3, 18
Answer: 9