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Surf for More Math

Lesson 1 - Relating Subtraction to Addition


To encourage students to have fun on the Web while learning about Relating Subtraction to Addition, here are some games and interactive activities they can do on their own or in pairs.



Use fact families to relate addition and subtraction.


Builds Upon

Student Book pages 80-81


Instructions for Use

Inverse Operations lets students practice relating addition to subtraction using fact families.

To use Inverse Operations, have students read and solve the questions.


Relating Addition to Subtraction lets students relate addition to subtraction.

To use Relating Addition to Subtraction, click the 'Start' button and read the equation in the first text field. Have students click the button to indicate if students has the correct answer.