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Agenda 1)Homework Folders In 2)Warm up 3)Lesson: Solving Equations by Multiplication and Division 4)Homework (if time)

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Presentation on theme: "Agenda 1)Homework Folders In 2)Warm up 3)Lesson: Solving Equations by Multiplication and Division 4)Homework (if time)"— Presentation transcript:

1 Agenda 1)Homework Folders In 2)Warm up 3)Lesson: Solving Equations by Multiplication and Division 4)Homework (if time)

2 Objective The student will be able to: solve equations using multiplication and division.

3 Warm Up Solve each equation. 1.x – 3 = 5 2.y + 9 = 7 3.13 = m – 6 4.n – (-1) = 1 5.f + 4 = -5 8 -2 19 0 -9

4 1) Solve. -5t = 60 To get the variable by itself, which number needs to be moved? -5 To move the -5, you have to do the opposite operation. What operation will we use? division

5 1) Solve -5t = 60 -5 -5 t = -12 -5(-12) = 60 1.Draw the river to separate the equation into 2 sides 2.Divide both sides by -5 3.Simplify 4.Check your answer 60 = 60

6 2) Solve 15 = 6n 6 6 2.5 = n 15 = 6(2.5) 1.Draw the river 2.Divide both sides by 6 3.Simplify 4.Check your answer 15 = 15

7 3) Solve -3v = -129 1.v = -126 2.v = -43 3.v = 43 4.v = 126 Answer Now

8 4) Solve You dont like fractions? Lets get rid of them! Clear the fraction by multiplying both sides of the equation by the denominator.

9 4) Solve 4 · · 4 x = -48 1.Draw the river 2.Clear the fraction – multiply both sides by 4 3.Simplify 4.Check your answer

10 3 · = 18 · 3 2x = 54 2 2 x = 27 1.Draw the river 2.Clear the fraction – multiply both sides by 3 3.Simplify 4.Divide both sides by 2 5.Simplify 6.Check your answer 5) Solve = 18

11 6) Which step clears the fraction in 1.Multiply by 3 2.Multiply by 5 3.Multiply by -12 4.Multiply by -5 Answer Now

12 7) Solve 1.b = -56 2.b = -14 3.b = 14 4.b = 56 Answer Now

13 Homework pg. 94 #11 – 19, 25 – 32, 40, 41, 42, 45, 53


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