LESSON PLAN (Linda Bolin) - Granite School District

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Using The TI-73: Simplifying Algebraic Expressions Name _____________ Look at the original expression and the simplified expression. Tell which property was used to simplify the expression. Then, substitute the given value for the variable using the TI-73 to check. To compare the original and the simplified expressions, first substitute a value. Type a value and press X I b. To compare the two expression, first press -1. Type the original expression. Then, curser to the = sign and press b. Now, type the simplified expression on the right of the equal sign. Curser to Done and press b b. If a 0 appears, the expressions are NOT equivalent. If a 1 appears, the expressions are equivalent. 1. 3 + x + 7 2. 2(3x) = 3 + 7 + x = (2 • 3)x = 10 + x = 6x Property used to simplify? Substitute 2 for x and prove equivalency. Property used to simplify? Substitute 5 for x and prove equivalency. 3. 1x 4. 8 + (2 + r) = x = (8 + 2) + r = 10 + r Property used to simplify? Substitute 7.3 for x and prove equivalency. Property used to simplify? Substitute 6 for x and prove equivalency. 5. 4w • 5 6. 5b + 3b = 4 • 5 • w = (5 + 3)b = 20w = 8b Property used to simplify? Substitute -1 for x and prove equivalency. Property used to simplify? Substitute ½ for x and prove equivalency.
Distributive Property With Algeblocks Name _________ Use the yellow piece to represent x and the green piece to represent one unit. 1. Arrange 4X’s and 8 units into groups so that each group is identical to the other groups. Sketch your work. Write a variable expression using parentheses to represent your groups. 2. Find another way to group 4X and 8 units so that each group is identical. Sketch your work. Write a variable expression using parentheses to represent your grouping. 3. Arrange 8X’s and 12 units into groups so that each group is identical to the other groups. Sketch your work. Write a variable expression using parentheses to represent your groups. 4. Find another way to group 8X and 12 units so that each group is identical. Sketch your work. Write a variable expression using parentheses to represent your grouping. 5. Arrange 6X and 6 units into groups so that each group is identical to the other groups. Sketch your work. Write a variable expression using parentheses to represent your groups. 6. Find another way to group 6X and 6 units so that each group is identical. Sketch your work. Write a variable expression using parentheses to represent your grouping. 7. Make up a problem of your own. Show the X’s and units in your sketch and write the algebraic expression for your problem.
Page 1 and 2: LESSON PLAN (Linda Bolin) Lesson Ti
Page 3 and 4: Lesson Segment 2: How do properties
Page 5: Properties Song (to “Macnamara’

LESSON PLAN (Linda Bolin) - Granite School District

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