Keystones — Bedrock
Five GCSE retrieval questions · 31 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 48
Answer: 32 + 48 = 80 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 16, 13, 16, 10, 20
Answer: 15