3rd Grade Math Review

Front

What is the perimeter of a square?

Back

The perimeter of a square is the total distance around it, calculated by adding the lengths of all four sides. For a square, it can also be calculated as 4 times the length of one side.

Front

If a square has a perimeter of 20 yards, what is the length of one side?

Back

5 yards

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as two numbers separated by a slash, like 1/2.

Front

What fraction of Lawrence's dogs are brown if he has 5 dogs, 2 are brown?

Back

2/5

Front

How do you estimate the difference between two numbers?

Back

To estimate the difference, round each number to the nearest ten or hundred and then subtract.

Front

What is the estimated difference between 756 and 329?

Back

500

Front

What does it mean to leave early?

Back

Leaving early means to depart from a place before the expected or scheduled time.

Front

If 102 kids left school early one month and 84 fewer left the next month, how many left in total?

Back

120 kids left in those two months.

Front

How do you add hours and minutes?

Back

To add hours and minutes, first add the minutes. If the total minutes are 60 or more, convert them into hours and add to the hour total.

Front

If Hedi arrives at the pool at 12:05 and stays for 2 hours and 35 minutes, what time does she leave?

Back

2:40 PM