Keystones — Bedrock
Five GCSE retrieval questions · 20 May 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 37
Answer: 43 + 37 = 80 -
2. Algebra Substitution
If x = 9, find the value of 7x + 12
Answer: 75 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 12, 14, 9, 5
Answer: 10