Keystones — Bedrock
Five GCSE retrieval questions · 23 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 67
Answer: 33 + 67 = 100 -
2. Algebra Substitution
If x = 9, find the value of 7x + 11
Answer: 74 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 11, 9, 5, 23
Answer: 12