Keystones — Bedrock
Five GCSE retrieval questions · 17 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 81
Answer: 79 + 81 = 160 -
2. Algebra Substitution
If x = 3, find the value of 7x + 10
Answer: 31 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 6, 5, 13
Answer: 8