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Time Intervals
Compute the difference between two times.
This topic aligns to the following state standards
Grade 1: Meas 2. Estimates and measures the passage of time using before or after; yesterday, today, or tomorrow; day or night; morning, afternoon, or evening; hour or half-hour.
Grade 2: Meas 2. Estimates, measures, and compares the passage of time using minutes, half-hours, and hours.
Grade 4: Meas 3. Knows about varied time intervals, including decades, hours, minutes, and seconds.
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