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Math Worksheets

Lessons for Third Grade

Free Printable Worksheets

Printable “Rounding Numbers” Worksheets:

Round Numbers using the Number Line

Round to nearest 10 (2 to 4 digits)

Round to nearest 100 (3 to 4 digits)

Round to nearest 10 (3-digit) (eg. 725 -> 730)

Round to nearest 100 (3-digit) (eg. 651 -> 700)

Round to nearest 10 or 100 (3-digit)

Free printable and online math worksheets to help students learn how to round numbers using number lines.

Rounding using number lines is a helpful visual strategy that allows students to understand the concept of rounding and apply it in a concrete way.

- Begin by drawing a vertical or horizontal number line that includes the number you want to round.
- Determine the rounding interval. For example, rounding to the nearest 10 means looking at the tens on the number line.
- Identify the two closest endpoints on the number line.
- Find the number that is halfway between the two closest endpoints.
- Use the halfway number to determine whether to round up or down based on the position of the original number on the number line. If it is closer to the lower endpoint, round down. If it is closer to the higher endpoint, round up. If it is at the halfway mark, round up.

Have a look at this video if you need help rounding numbers using the number line.

Then, practice the following worksheets.

Click on the following worksheet to get a printable pdf document.

Scroll down the page for more **Round Using Number Line Worksheets**.

**Printable**

(Answers on the second page)

Rounding Number Line Worksheet #1 (nearest 10)

Rounding Number Line Worksheet #2 (nearest 10)

Rounding Number Line Worksheet #3 (nearest 100)

Rounding Number Line Worksheet #4 (nearest 100)

Find the Halfway Number (Sprint A)

Find the Halfway Number (Sprint B)

Round to nearest 100 (4-digit) (eg. 2,754 -> 2,800)

Round to nearest 1000 (eg. 3,542 -> 4,000)

Round to nearest 10, 100, 1000

Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.

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