Keystones — Bedrock
Five GCSE retrieval questions · 6 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 53
Answer: 88 + 53 = 141 -
2. Algebra Substitution
If x = 2, find the value of 3x + 12
Answer: 18 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 25, 7, 8, 4
Answer: 11