Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 14
Answer: 19 + 14 = 33 -
2. Algebra Substitution
If x = 8, find the value of 8x + 4
Answer: 68 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 14, 12, 4
Answer: 10