# Pre algebra pan balance equations essay

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As you begin solving equations in Algebra, the very first thing that you will learn is that whatever you do, you MUST keep your equation balanced! It truly is the number one factor in solving equations! You will see step-by-step how equations are kept balanced for every example in this unit!

In the explanations, you will see the words: Whatever you do to one side of the equation, you must do to the other side! Those are the key words for balancing equations! Let's take a look at a graphic to give you a better understanding.

Think of a scale that you would use to weigh things! If you put a 5 lb weight on the left side, what happens?

Is the scale balanced?

[BINGSNIPMIX-3

What would you have to do to balance it perfectly? You'd have to put another five pound weight or something that weighs five pounds on the other side.

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That's the only way it will stay balanced! Think of the equation sign as the "center" of the scale. Take a look at the picture above, and imagine two 5 lb weights on the left side, and two 5 lb weights on the right side. How much weight is on each side? So, right now the scale is balanced!

Now, what happens if I take 5 lbs off of the right side? Is the scale balanced now? No, there's 10 lbs still on the left, but only 5 lbs on the right.

So, what must I do to keep it balanced? I must ALSO take 5 lbs off of the left! Now, it is balanced again! So, in Algebra if you subtract 5 from one side, you must also subtract 5 from the other side. Why have I continued to repeat those same words?In Pre-Algebra: Pan Balance Equations, a fifth grade class manipulates concrete representations of equivalence, using pan balances, to understand the nature of equations and operations on equations.

Students investigate a model for solving equations using one and two variables. Bowes and Church's Food Values of Portions Commonly Used, Text and CD-ROM Package, Jean A. Pennington, Judith S. Spungen As You Like It (the New Hudson Shakespeare), William Shakespeare Sndwich Gigante, Lynn George The Ultimate US National Parks Collection.

Pamela Olmstead has been a middle school math and science teacher for 15 years at Chehalis Middle School (Chehalis, WA). One lesson that she has referred to all year long is Balancing Shapes, which uses the online applet Pan Balance-Shapes.

Oct 31,  · An equation can be a true or false equation. For example, 5 = 2 + 2 is a false equation. If an equation contains an unknown, then solving the equation means finding the value of the unknown that makes the equation TRUE.

## Seeing Math Elementary: Pre-Algebra: Pan Balance Equations

Solving Equations. Model an equation on the scales. To find the value of the variable that makes the equation true, isolate the variable by performing the same operations to both sides of the Algebra Balance.

The solution to the equation is the value of the pan when the opposite pan has just a .

pan-balance problems. [Operations and Computation Goal 1] • Use multiplication and division to solve pan-balance problems. [Operations and Computation Goal 3] • Use a pan-balance model to solve linear equations with two unknowns. [Patterns, Functions, and Algebra Goal 2] Key Activities Students solve pan-balance problems involving two balances. Quadratic Equation: Quadratic equations have many applications in the arts and sciences, business, economics, medicine and engineering. Quadratic Equation is a second-order polynomial equation in . AFAM Intro to African American Studies This course provides an overview of African American history and culture. Topics include major events, persons, and issues spanning the period from the African heritage to contemporary times.

Mathematical economics is the application of mathematical methods to represent theories and analyze problems in rutadeltambor.com convention, these applied methods are beyond simple geometry, such as differential and integral calculus, difference and differential equations, matrix algebra, mathematical programming, and other computational methods.

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