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## Addition Scale

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# Addition Scale Math Game

Work with addition and subtraction equations to understand the meaning of the equal sign. Select a number and drag it to the silly scale to balance the equation and the scale. Teachers trust Toy Theater to provide safe & effective educational games for elementary school classrooms. Free to play, priceless for learning.

### Common Core

Grade 1 » Operations & Algebraic Thinking

CCSS.MATH.CONTENT.1.OA.D.7

*Work with addition and subtraction equations.:* Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 – 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.