Keystones — Bedrock
Five GCSE retrieval questions · 19 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 42
Answer: 26 + 42 = 68 -
2. Algebra Substitution
If x = 7, find the value of 2x + 7
Answer: 21 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 25, 10, 4
Answer: 13