Rounding Whole Numbers

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 ten?

Back

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

Front

Round 387 to the nearest ten.

Back

390

Front

What does it mean to round to the nearest hundred?

Back

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

Front

Round 458 to the nearest hundred.

Back

500

Front

What does it mean to round to the nearest thousand?

Back

Rounding to the nearest thousand means finding the closest multiple of one thousand to a given number.

Front

Round 435,679 to the nearest thousand.

Back

436,000

Front

When rounding, what digit do you look at to decide whether to round up or down?

Back

You look at the digit to the right of the place value you are rounding to.

Front

If the digit to the right is 5 or greater, what do you do?

Back

You round up.

Front

If the digit to the right is less than 5, what do you do?

Back

You round down.