Keystones — Bedrock
Five GCSE retrieval questions · 5 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 86
Answer: 35 + 86 = 121 -
2. Algebra Substitution
If x = 2, find the value of 8x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 2, 2, 23
Answer: 9