Keystones — Bedrock
Five GCSE retrieval questions · 1 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 25
Answer: 19 + 25 = 44 -
2. Algebra Substitution
If x = 8, find the value of 8x + 11
Answer: 75 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 4, 12, 16, 4
Answer: 9