Keystones — Bedrock
Five GCSE retrieval questions · 27 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 78
Answer: 30 + 78 = 108 -
2. Algebra Substitution
If x = 9, find the value of 3x + 4
Answer: 31 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 16, 3, 11
Answer: 10