In this equations instructional activity, students solve 10 problems in which subtraction will be used to isolate the variable and solve the equation. Decimal numbers to the tenths place are included on this page.
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Math Grade 6: Use Expressions and Equations
See how math is like magic. Scholars try several examples of a number trick to verify it works for all values. Writing algebraic expressions and/or equations help them prove that the number trick results in the same output number...
6th Math CCSS: Designed
How Do You Use an Equation to Find a Whole?
The teacher shows how to break down this problem by first identifying all the terms. After changing the percent to a decimal, she shows how to set up the equation using the terms. Lastly, she solves the equation using the division...
6 mins 6th - 12th Math
Solving the Unknown with Algebra: Lesson 3: Functions and Formulas/Square Roots
This lesson has a number of fun worksheets for a pre-algebra or beginning algebra class. The main emphasis of this lesson is functions, formulas, and looking at square roots. It is the third lesson in a series on solving for unknowns,...
6th - 9th Math CCSS: Adaptable
How Do You Solve a Decimal Equation Using Addition?
Use the addition property of inequality to solve this problem. Since this is a subtraction problem, the opposite is used to isolate the variable. It's just a one-step solution. But don't forget this is a decimal problem so line up the...
4 mins 6th - 8th Math