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Decimals and Mixed Units for Time Intervals

Time and Money - Math

Time intervals can be written in two different ways: as a decimal fraction (e.g., 1.5 hours or in mixed units (e.g., 1 hour 30 minutes.

Because time is built on base-60 (60 seconds = 1 minute and 60  minutes = 1 hour, decimal fractions refer to a fraction of 60, not 100!

Time Intervals (Bridging Through 60)

Time and Money - Math

Remember to use base 60 for your calculations.

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Time and Money - Math

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Time and Money - Math

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