Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 72
Answer: 46 + 72 = 118 -
2. Algebra Substitution
If x = 7, find the value of 8x + 9
Answer: 65 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 16, 10, 16, 14
Answer: 14