Keystones — Bedrock
Five GCSE retrieval questions · 22 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 25
Answer: 39 + 25 = 64 -
2. Algebra Substitution
If x = 3, find the value of 2x + 8
Answer: 14 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 18, 16, 17, 3
Answer: 13.5