Cracking the Code: Missing Numbers on Number Lines @IXL
Cracking the Code: Missing Numbers on Number Lines  @IXL
Uploaded February 2026 | Updated September 2026, 3 weeks ago
In this video, you’ll learn how to fill in missing numbers on a number line step by step. We’ll use simple strategies to help you understand how number lines work and how to find the numbers that belong in the missing spaces.

What you’ll learn:
📌 How to read and understand a number line
📌 How to count forward and backward to find missing numbers

This lesson is perfect for students who are building number sense and learning how number lines work. It’s great for elementary students, extra practice, or a quick review.

Ready to try it yourself? Keep practicing number lines on IXL with interactive questions that adapt to your level: ixl.com/math/kindergarten/number-lines-up-to-20?utm_source=youtube&utm_medium=social&utm_campaign=YT-Tutorials

0:00 Introduction
0:45 Example 1
1:11 Example 2
1:36 Outro
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Cracking the Code: Missing Numbers on Number Lines

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