Equations

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# Equations - PowerPoint PPT Presentation

Equations. MA.5.A.4.1: Use the properties of equality to solve numerical and real-world situations. Objectives. Represent numbers using variable Use inverse relationships. How can you apply the inverse relationship when solving equations?. Materials. Color Counters Linking Cubes

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## PowerPoint Slideshow about 'Equations' - joyce

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### Equations

MA.5.A.4.1: Use the properties of equality to solve numerical and real-world situations.

Objectives
• Represent numbers using variable
• Use inverse relationships
Materials
• Color Counters
• Balance Scale
• Color Tiles
• Blank Copy Paper
• Markers
• Scissors
Differentiation
• A: Review concept of equality using linking cubes and a balance scale, placing one color cubes on one side, and a different color on the other side.
• B: Using the 5 column method, solve a series of fractions with un-like denominators.
• C: Using the 5 column method, solve a series of fractions with un-like denominators. There will be mixed numbers, and fractions requiring re-grouping.
• Students will be able to move from one group to another as work is completed.
Launch: 5 column Fractions
• Review writing equations based on word problems: http://www.ixl.com/math/grade-5/write-variable-expressions
• Review using inverse operations to solve for a variable using simple equalities:

You do: Solve the following problems alone:

Work Period
• John has some potatoes. He buys 6 more at the store. Now he has 20 potatoes. Write an equation to determine how many potatoes John had before he went to the store. He has a recipe that uses 5 potatoes to make a bowl of mashed potato. Write an equation to determine how many bowls of mashed potato he can make with 20 potatoes.
• Write an equation following the example from the chart. Then, write an inverse operation you can use to solve for x. Finally, solve for x.