Keystones — Bedrock
Five GCSE retrieval questions · 10 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 33
Answer: 44 + 33 = 77 -
2. Algebra Substitution
If x = 3, find the value of 7x + 9
Answer: 30 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 23, 19, 3
Answer: 15