Keystones — Bedrock
Five GCSE retrieval questions · 27 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 33
Answer: 17 + 33 = 50 -
2. Algebra Substitution
If x = 3, find the value of 3x + 5
Answer: 14 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 15, 13, 6, 16, 6
Answer: 11.2