Rounding, Addition and Subtraction With Regrouping

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

Front

What does it mean to round to the nearest hundred?

Back

Rounding to the nearest hundred means finding the closest multiple of 100 to a given number.

Front

If a number is 368, what is it rounded to the nearest hundred?

Back

400

Front

What is addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total.

Front

What is subtraction?

Back

Subtraction is the mathematical operation of taking one number away from another.

Front

What is regrouping in addition?

Back

Regrouping in addition is when you carry over a value from one place value to the next when the sum exceeds 9.

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next place value when the top number is smaller than the bottom number.

Front

How do you find the total distance driven if someone drove 146 miles, 157 miles, and 69 miles?

Back

Add the distances: 146 + 157 + 69 = 372 miles.

Front

What is the volume of liquid to the nearest liter if the container shows 50 liters?

Back

50 liters.

Front

If a concert starts at 2:15 pm and lasts for 45 minutes, what time does it end?

Back

3:00 pm.