3rd Grade Math Review

Front

How do you calculate the duration of time between two events?

Back

To find the duration, subtract the start time from the end time. For example, if an event starts at 11:00 and ends at 1:15, the duration is 1 hour and 15 minutes.

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width. For example, if a rectangle has a length of 4 cm and a width of 8 cm, the area is 32 sq. cm.

Front

What does the term 'time' refer to in math?

Back

Time is a measure of the duration of events, often represented in hours and minutes.

Front

How do you read a clock showing 10:11?

Back

The hour hand is slightly past 10, and the minute hand is on the 11, indicating 10 hours and 11 minutes.

Front

What does it mean to split a bill evenly?

Back

To split a bill evenly means to divide the total amount by the number of people sharing it. For example, if a bill is $27 and there are 3 people, each person pays $9.

Front

What is the difference between hours and minutes?

Back

Hours are larger units of time (1 hour = 60 minutes). Minutes are smaller units used to measure shorter durations.

Front

How do you find the total cost when sharing expenses?

Back

Add the total expenses and divide by the number of people sharing the cost. For example, if the total is $27 for 3 people, each pays $9.

Front

What is the area of a square?

Back

Area = side × side. If each side of a square is 4 cm, the area is 16 sq. cm.

Front

How do you tell time on a digital clock?

Back

A digital clock shows time in numbers, such as 10:11, indicating hours and minutes.

Front

What is the concept of elapsed time?

Back

Elapsed time is the amount of time that passes from the start of an event to its end.