Keystones — Bedrock
Five GCSE retrieval questions · 24 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 89
Answer: 73 + 89 = 162 -
2. Algebra Substitution
If x = 2, find the value of 8x + 7
Answer: 23 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 12, 4, 23, 13, 8
Answer: 12