Keystones — Bedrock
Five GCSE retrieval questions · 22 October 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 90
Answer: 56 + 90 = 146 -
2. Algebra Substitution
If x = 10, find the value of 7x + 6
Answer: 76 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 7, 15, 11
Answer: 11