Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 63
Answer: 55 + 63 = 118 -
2. Algebra Substitution
If x = 3, find the value of 7x + 7
Answer: 28 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 9, 4, 3, 4
Answer: 5