Keystones — Bedrock
Five GCSE retrieval questions · 29 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 65
Answer: 93 + 65 = 158 -
2. Algebra Substitution
If x = 2, find the value of 3x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 17, 2, 23
Answer: 14