Rounding Anchor Charts – Using Vertical Number Lines

What does it mean to round a number? This mathematical concept involves understanding place value and changing a number to one easier to work with while remaining close to the original value. When you round a number, there will be one or more zeros at the end of 

Rounded numbers help students with mental math and estimation skills. Teach Starter has created a set of handy rounding posters that your students can use to strengthen their rounding skills!

Students can follow or reference the steps to round numbers that they need to remember by following the sequential numbers shown on the anchor chart. We’ve included an anchor chart for each of the following.

• Rounding to the Nearest Ten
• Rounding to the Nearest Hundred
• Rounding to the Nearest Thousand
• Rounding to the Nearest Ten Thousand

With this resource, your students will be reminded of the rules of rounding using a vertical number line. You can print and display them in the classroom or give students individual copies.

Using Your Vertical Number Line Posters

A team of dedicated, experienced educators created this resource to support your math lessons.

In addition to individual student reference tools, use these posters to enhance learning through guided math groups, whole class lessons, or remote learning assignments. 

Easily Prepare This Resource for Your Students

Use the dropdown arrow on the Download button to access this resource’s Google Slides or PDF version. This file can also be edited to suit your students’ needs. 

This resource was created by Amy Adam, a teacher and Teach Starter Collaborator.

While you’re here, check out more activities and teaching resources that fill your lesson plans and students’ brains:

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Rounding Task Cards

Use place value knowledge to round numbers up through the hundred thousands place with this free set of 20 task cards.

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Rounding Numbers – Math Mazes

Round numbers to various places while finding your way through this set of 5 math mazes.

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Rounding Match-Up Activity

Practice rounding decimals and whole numbers with this match-up activity.