Keystones — Bedrock
Five GCSE retrieval questions · 21 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 16
Answer: 18 + 16 = 34 -
2. Algebra Substitution
If x = 8, find the value of 3x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 15, 2, 22
Answer: 13