Curated OER
Subtraction Using Number Lines
In this subtraction activity, students refer to a number line at the top of the page to solve 22 simple horizontal problems. Worksheet is labeled as a sample from a subscription site.
Curated OER
Number Line Subtraction
In this number line subtraction activity, 1st graders find the differences in 8 problems. They complete 8 basic, horizontal subtraction problems using the number line at the top of the page.