Keystones — Bedrock
Five GCSE retrieval questions · 5 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 41
Answer: 48 + 41 = 89 -
2. Algebra Substitution
If x = 5, find the value of 3x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 4, 13, 4
Answer: 7