Keystones — Bedrock
Five GCSE retrieval questions · 23 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 18
Answer: 13 + 18 = 31 -
2. Algebra Substitution
If x = 5, find the value of 8x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 14, 12, 19
Answer: 15