Keystones — Bedrock
Five GCSE retrieval questions · 18 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 39
Answer: 17 + 39 = 56 -
2. Algebra Substitution
If x = 3, find the value of 6x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 8, 11, 8
Answer: 9