Finding the unknown number (addition and subtraction equations)

Finding the unknown number (addition and subtraction equations)
Finding the unknown number (addition and subtraction equations)
Finding the unknown number (addition and subtraction equations)
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1st, 2nd, 3rd
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Understanding how the equal sign works is critical to finding the missing number in an addition or subtraction equation. Students will model the problems using manipulatives by placing the correct number of objects on the correct side of the scale then determine the missing value that will make the scale balanced. Prior to doing this activity, students should do the Addition and Subtraction: True or False activity.
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Finding the unknown number (addition and subtraction equations)
Finding the unknown number (addition and subtraction equations)
Finding the unknown number (addition and subtraction equations)