Keystones — Bedrock
Five GCSE retrieval questions · 12 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 28
Answer: 35 + 28 = 63 -
2. Algebra Substitution
If x = 10, find the value of 7x + 12
Answer: 82 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 3, 14, 19
Answer: 12