Keystones — Bedrock
Five GCSE retrieval questions · 7 November 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 47
Answer: 93 + 47 = 140 -
2. Algebra Substitution
If x = 6, find the value of 8x + 11
Answer: 59 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 7, 20, 15, 14
Answer: 14