Adding Positive and Negative Decimals #3

Master addition with decimals both positive and negative in this simple seventh-grade worksheet! These 20 problems each ask students to find the sum of two decimal numbers. Those numbers include positive and negative decimals to the thousandths place. The problems increase in difficulty as students move down the page! 

This worksheet is meant for students who already have an understanding of decimal operations and operations with positive and negative integers. They can to combine these skills in order to complete the tricky problems in this worksheet. They’ll just have to be sure they remember that adding a negative is the same as subtracting its opposite. 

Don’t miss the previous two worksheets in this series: Adding Positive and Negative Decimals #1 and Adding Positive and Negative Decimals #2. Move on to decimal subtraction with Subtracting Positive and Negative Decimals #1.