Aug 3, 2023 · What is an open number line. Learn how to use it for addition, subtraction, multiplication, and division of numbers with examples and diagrams

“Open” in the term open number line means that it does not have a set start and end point. Instead, students decide where to start and how to decompose a number to add or subtract.

An open number line printable PDF containing five number lines which can help students develop mental strategies when learning addition or subtraction.

Feb 25, 2024 · Looking for free open number lines? Grab these open number line addition and subtraction printables to help kids solve number line problems.

Jul 28, 2014 · If your students can count by tens starting from any number (both forward and backward) they will be ready to make jumps of 10 on an open number line. If your kids aren’t …

The open number line strategy can be tricky for many students. There is a lot of drawing and mental math skills involved. But over the years of teaching how to add an open number to my …

A blank number line on which children can mark points or numbers that are useful for solving problems. Children can use open number lines to record the steps of mental computation …

This work mat can be used for any number line activity. You can laminate it for use with white board markers or wet erase markers. Another option is to insert them into reusable dry erase …

An open number line—one that isn’t labeled with numbers—is a great tool with many applications in the math classroom. The power of an open number line is that you write in only the numbers …

Set up a number line with whole number, fraction, or decimal intervals. Add and manipulate forward and backward jumps, above or below the line. Label jumps, manually or automatically, …