Keystones — Bedrock
Five GCSE retrieval questions · 17 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 31
Answer: 36 + 31 = 67 -
2. Algebra Substitution
If x = 3, find the value of 7x + 12
Answer: 33 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 23, 15, 4, 2
Answer: 11