Keystones — Bedrock
Five GCSE retrieval questions · 10 April 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 26
Answer: 46 + 26 = 72 -
2. Algebra Substitution
If x = 8, find the value of 8x + 7
Answer: 71 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 17, 20, 5, 10
Answer: 13