Keystones — Bedrock
Five GCSE retrieval questions · 29 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 94
Answer: 26 + 94 = 120 -
2. Algebra Substitution
If x = 2, find the value of 7x + 8
Answer: 22 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 14, 18, 6, 18
Answer: 14