Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 47
Answer: 45 + 47 = 92 -
2. Algebra Substitution
If x = 5, find the value of 4x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 19, 15, 18
Answer: 14