Keystones — Bedrock
Five GCSE retrieval questions · 23 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 38
Answer: 45 + 38 = 83 -
2. Algebra Substitution
If x = 2, find the value of 5x + 11
Answer: 21 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 11, 19, 17, 3, 10
Answer: 12