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When you solve a problem, you must choose which of these calculations methods is best to use: mental math, pencil and paper, or calculator.
Which methods would you use to solve these Tournament Records problems?
How many minutes did it take to reach the record for fencing?
1. 4 x 60 (I can do this using mental math.)
2. How many inches is the shot put record?
27 x 12 (I think I'll use paper and pencil.)
Use these hints when you are choosing a calculation method.
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