Keystones — Bedrock
Five GCSE retrieval questions · 3 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 59 + 77
Answer: 59 + 77 = 136 -
2. Algebra Substitution
If x = 2, find the value of 2x + 11
Answer: 15 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 13, 4, 11, 21, 16
Answer: 13