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Lesson Plan
Illustrative Mathematics

Operations on the Number Line

For Teachers 7th - 9th Standards
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...
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Worksheet
Curated OER

Adding and Subtracting Negative Numbers

For Students 6th - 7th
In this positive and negative numbers worksheet, 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...
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Worksheet
Curated OER

Working With Negative Numbers: Adding and Subtracting with a Number Line

For Students 5th - 6th
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.