Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 20
Answer: 30 + 20 = 50 -
2. Algebra Substitution
If x = 6, find the value of 8x + 8
Answer: 56 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:20
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 11, 13, 18
Answer: 14