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Students examine a pan balance and represent subtraction in equation form.
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Deciphering Word Problems in Order to Write Equations
Help young mathematicians crack the code of word problems with this three-lesson series on problem solving. Walking students step-by-step through the process of identifying key information, creating algebraic equations, and finally...
5th - 8th Math CCSS: Adaptable
Grade 7 Patterning and Algebra: Algebraic Expressions
Classmates solve 18 different problems that are mostly word problems that apply algebraic expressions. They draw different combinations of masses on a scale that would balance. They also simplify expressions and solve for x in a number...
6th - 8th Math CCSS: Adaptable
Understand that Equations Have One Solution Using a Pan Balance
If Rylee buys a shirt and a pair of jeans with 90 dollars and the shirt costs 22 dollars, how much do the jeans cost? How many solutions does this question have? Use the video to help your learners answer these questions by modeling an...
5 mins 5th - 7th Math CCSS: Designed