Keystones — Bedrock
Five GCSE retrieval questions · 27 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 39
Answer: 53 + 39 = 92 -
2. Algebra Substitution
If x = 10, find the value of 6x + 9
Answer: 69 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 17, 1, 11, 3
Answer: 8