Keystones — Bedrock
Five GCSE retrieval questions · 25 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 45
Answer: 49 + 45 = 94 -
2. Algebra Substitution
If x = 7, find the value of 8x + 12
Answer: 68 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 18, 16, 5
Answer: 13