Keystones — Bedrock
Five GCSE retrieval questions · 1 February 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 43
Answer: 63 + 43 = 106 -
2. Algebra Substitution
If x = 6, find the value of 8x + 12
Answer: 60 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 3, 5, 13, 3
Answer: 6