Keystones — Bedrock
Five GCSE retrieval questions · 28 September 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 43
Answer: 54 + 43 = 97 -
2. Algebra Substitution
If x = 8, find the value of 8x + 3
Answer: 67 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 13, 16, 13
Answer: 14