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Equations

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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Equations

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

  2. Objectives • Represent numbers using variable • Use inverse relationships

  3. How can you apply the inverse relationship when solving equations?

  4. Materials • Color Counters • Linking Cubes • Balance Scale • Color Tiles • Blank Copy Paper • Markers • Scissors

  5. 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.

  6. 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: http://curriculum_materials.dadeschools.net/csm/Math/Grade5/Grade%205_Session%2011/Student%20Packet_Session%2011.pdf

  7. 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. • Raise your hand in order to receive the next step!!!

  8. Work Period • Conversation level 0, working alone • Help, raise your hand to get help • Activity: using the page provided to you, write the equations that match the pictures. • Movement: work at your desk. Raise your hand to get permission to get up and work on the computers. • Participation: Raise your hand to have work collected.

  9. Closing • Restate the essential question. • Check for understanding using the short assessment.

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