Illustrative Mathematics
Operations on the Number Line
A different way to look at integers is on this number line with variables in place of numbers. Learners are to look at different expressions and describe why they think the answer would be positive or negative, depending on the location...
Curated OER
Adding and Subtracting Negative Numbers
In this positive and negative numbers activity, students solve 50 problems in which positive and negative integers are added and subtracted. There is detailed instruction provided. This page was intended to be an online activity, but can...
Curated OER
Working With Negative Numbers: Adding and Subtracting with a Number Line
In this math worksheet, students practice addition and subtraction of positive and negative numbers using a number line to help. The 30 problems are written as questions in words.