Keystones — Bedrock
Five GCSE retrieval questions · 13 March 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 37
Answer: 42 + 37 = 79 -
2. Algebra Substitution
If x = 4, find the value of 3x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 6, 17, 5, 24, 8
Answer: 12