Keystones — Bedrock
Five GCSE retrieval questions · 3 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 40
Answer: 25 + 40 = 65 -
2. Algebra Substitution
If x = 8, find the value of 7x + 9
Answer: 65 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 11, 14, 13, 14
Answer: 13