Keystones — Bedrock
Five GCSE retrieval questions · 4 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 38
Answer: 98 + 38 = 136 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 15, 20, 1, 8
Answer: 11