Keystones — Bedrock
Five GCSE retrieval questions · 1 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 91
Answer: 22 + 91 = 113 -
2. Algebra Substitution
If x = 5, find the value of 8x + 10
Answer: 50 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 11, 11, 11
Answer: 11