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Surf for More Math

Lesson 7 - Using Number Lines to Subtract Integers


Use this interactive activity to encourage students to have fun on the Web while learning about using number lines to subtract integers. Students can try this activity on their own or in pairs.


Calculate the difference between integers using a number line.

Builds Upon

Student Book pages 212-215

Instructions for Use

Integer Subtraction allows students to subtract positive and negative integers.

To start Integer Subtraction, click on the "Integer Subtraction" link.

To use Integer Subtraction, read through the Web page and try the exercises at the bottom. Enter the answer in the text box next to "ANSWER BOX". Click the "ENTER" button to check your answer. To change your answer, click the "CLEAR" button.