Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 70
Answer: 33 + 70 = 103 -
2. Algebra Substitution
If x = 9, find the value of 7x + 10
Answer: 73 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 22, 4, 4
Answer: 10