Keystones — Bedrock
Five GCSE retrieval questions · 15 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 76
Answer: 87 + 76 = 163 -
2. Algebra Substitution
If x = 3, find the value of 5x + 8
Answer: 23 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 5, 15, 10
Answer: 10