Keystones — Bedrock
Five GCSE retrieval questions · 21 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 10
Answer: 42 + 10 = 52 -
2. Algebra Substitution
If x = 10, find the value of 3x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 8, 5, 14, 5
Answer: 8