Keystones — Bedrock
Five GCSE retrieval questions · 16 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 92
Answer: 34 + 92 = 126 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 12, 7, 4, 12, 15
Answer: 10