Number Sense with Number Lines! Place Value Understanding to 120

Grade Levels
2nd - 4th, Homeschool
Formats Included
  • PDF
60 pages
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  1. Congratulations! You are well on your way to working more explicit and meaningful place value instruction and number sense into your classroom!This bundle includes 18 quality resources that can be used successfully with grades 2-5. This is a huge grade level range, but—as you know—each grade comes w
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Why number lines? Using number lines to build a solid understanding of number sense and place value is absolutely critical as we move our students forward in their mathematical thinking. We often expose them to numbers in a variety of ways…using manipulatives, using 100’s charts, and so on.

One area that is often overlooked is the building of understanding of how numbers relate to each other and how they “fit” with other numbers. For example…students may have a solid understanding of what “10” is and how to model it—but they don’t always realize what “10” means compared to other numbers…that 10 is half of 20…and double 5…and closer to 0 than to 100 and so on! In my attempt to really help my students understand place value AND develop their mathematical practices, I have developed these resources and share them with you now! THIS edition focuses on numbers through 120.

What is included?

This resource has a number of different elements to help you tackle place value--including 8 pages of information, teaching tips, and more!

It includes 90 ready-to-copy math journal problems (3 per page) that ask students to either identify a mark on a number line or to make a mark at a certain point on a number line. These are NOT meant to be exact answers—but for students to use their number sense to come up with reasonable solutions. What is CRITICAL is the second part—”Explain your thinking!” Whether students work together or alone, the problems ask them to defend their solutions.

There are problems at a variety of levels…you will notice that they start easier and get more sophisticated—including a set of pages where the number lines do not start at 0. Look through and see which problems are the right level of challenge for your class—and consider differentiating by giving different groups different problems. These problems could also be copied and laminated for use in centers or with intervention groups. Although geared toward the end of grade 2 and grade 3, this resource is perfect for interventions for older students who are missing key place value understanding.

Also included is a set of 12 pages that can be used as either homework or assessments! Students are asked to do the same types of problems as used in math journals but are asked to work on them independently. The pages increase in difficulty as their number increases.

A simple rubric to help you assess how well your students are able to “Construct viable arguments” and a class checklist to record progress.

NOTE: This is a challenging resource geared toward helping grade 2-3 teachers "raise the rigor" of their math instruction. Differentiation tips are included! Don't be fooled by the fact that it only goes to 120--this is not an easy number line resource!


Looking for all my number line resources?

Number Lines to 120

Number Lines to 1,000

Number Lines to 1,000,000

Number Lines with Fractions and Decimals

Number Line Resource BUNDLE of 3 resources (Does not include the number lines to 120 resource)


All rights reserved by ©The Teacher Studio. Purchase of this problem set entitles the purchaser the right to reproduce the pages in limited quantities for single classroom use only. Duplication for an entire school, an entire school system, or commercial purposes is strictly forbidden without written permission from the author at Additional licenses are available at a reduced price.
Total Pages
60 pages
Answer Key
Teaching Duration
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to see state-specific standards (only available in the US).
Count within 1000; skip-count by 5s, 10s, and 100s.
Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2,..., and represent whole-number sums and differences within 100 on a number line diagram.


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