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Nelson Education > School > Mathematics K-8 > Mathematics 2 > Parent Centre > Surf for More Math > Chapter 4 Lesson 7

Surf for More Math

Lesson 7 - Finding the Difference

Use this interactive activity to encourage your child to have fun on the Web while learning about finding the difference.



Explore subtraction as comparing.


Instructions for Use

Number Line Arithmetic lets your child visualize subtracting numbers on a number line.

To use Number Line Arithmetic, select the "-"button at the bottom of the screen. Click the "Go" button under the mathematical problem. Animated arcs represent the problem. Click the "New Problem" button and a new problem will be displayed.