Keystones — Bedrock
Five GCSE retrieval questions · 28 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 45
Answer: 32 + 45 = 77 -
2. Algebra Substitution
If x = 10, find the value of 8x + 5
Answer: 85 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 3, 10, 5
Answer: 6