Keystones — Bedrock
Five GCSE retrieval questions · 14 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 75
Answer: 43 + 75 = 118 -
2. Algebra Substitution
If x = 3, find the value of 8x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 10, 13, 9
Answer: 10.666666666667