Keystones — Bedrock
Five GCSE retrieval questions · 4 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 37
Answer: 40 + 37 = 77 -
2. Algebra Substitution
If x = 10, find the value of 8x + 12
Answer: 92 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:18
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 3, 10, 23, 4
Answer: 10