Keystones — Bedrock
Five GCSE retrieval questions · 7 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 43
Answer: 37 + 43 = 80 -
2. Algebra Substitution
If x = 7, find the value of 6x + 11
Answer: 53 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 11, 15, 19
Answer: 15