Addition and subtraction of time

Front

What is the result of 86 hours - 25 hours?

Back

61 hours

Tags

CCSS.3.MD.A.1

Front

What is the result of 58 hours 20 minutes - 30 hours - 21 minutes?

Back

27 hours 59 minutes

Tags

CCSS.3.MD.A.1

Front

What is the result of 3 hours 15 minutes + 2 hours 55 minutes?

Back

6 hours 10 minutes

Tags

CCSS.3.MD.A.1

Front

What is the result of 2 minutes 35 seconds + 4 minutes 10 seconds?

Back

6 minutes 45 seconds

Tags

CCSS.3.MD.A.1

Front

What is the result of 2 hours 35 minutes + 4 hours 10 minutes?

Back

6 hours 45 minutes

Tags

CCSS.3.MD.A.1

Front

Define 'hour' in the context of time measurement.

Back

An hour is a unit of time equal to 60 minutes.

Tags

CCSS.4.MD.A.1

Front

Define 'minute' in the context of time measurement.

Back

A minute is a unit of time equal to 60 seconds.

Tags

CCSS.4.MD.A.1

Front

Define 'second' in the context of time measurement.

Back

A second is the base unit of time in the International System of Units (SI), equal to 1/60 of a minute.

Tags

CCSS.4.MD.A.1

Front

How do you convert hours and minutes into just minutes?

Back

Multiply the number of hours by 60 and add the minutes.

Tags

CCSS.4.MD.A.1

Front

What is the process to add time in hours and minutes?

Back

Add the minutes together, convert to hours if over 60, then add the hours.

Tags

CCSS.3.MD.A.1