Keystones — Bedrock
Five GCSE retrieval questions · 26 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 72
Answer: 52 + 72 = 124 -
2. Algebra Substitution
If x = 7, find the value of 7x + 9
Answer: 58 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 3, 5, 6, 22
Answer: 9