Keystones — Bedrock
Five GCSE retrieval questions · 28 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 20
Answer: 93 + 20 = 113 -
2. Algebra Substitution
If x = 4, find the value of 6x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 19, 16, 14, 10, 16
Answer: 15