Keystones — Bedrock
Five GCSE retrieval questions · 29 January 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 20
Answer: 22 + 20 = 42 -
2. Algebra Substitution
If x = 6, find the value of 3x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 10, 2, 22, 14
Answer: 12