Keystones — Bedrock
Five GCSE retrieval questions · 19 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 56
Answer: 98 + 56 = 154 -
2. Algebra Substitution
If x = 4, find the value of 3x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 5, 5, 16, 18
Answer: 11