Rounding

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was.

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

How do you round a number?

Back

To round a number, look at the digit to the right of the place value you are rounding to. If it's 5 or more, round up. If it's less than 5, round down.

Front

What is 384,392 rounded to the nearest hundred?

Back

384,400

Front

What is 123,456,789 rounded to the nearest million?

Back

123,000,000

Front

What is 49,545 rounded to the nearest ten thousand?

Back

50,000

Front

Which number does NOT round to 400 when rounding to the nearest hundred? 409, 445, 345, or 398?

Back

345

Front

True or False: When you round to a specific place value, all of the numbers to its right become zeros.

Back

True

Front

What is the rule for rounding up?

Back

If the digit to the right of the rounding place is 5 or greater, you round up.

Front

What is the rule for rounding down?

Back

If the digit to the right of the rounding place is less than 5, you round down.