Tuesday, Oct 30

5 Minute CheckSolve and show work on the back on your homework.1. 5d = 302. 36 = 6e3. 2.5g = 54. 8.1 = 0.9c

5 Minute CheckSolve and show work on the back on your homework.1. 5d = 30

5 Minute CheckSolve and show work on the back on your homework.1. 5d = 30 5 5

d = 6

5 Minute CheckSolve and show work on the back on your homework.2. 36 = 6e

5 Minute CheckSolve and show work on the back on your homework.2. 36 = 6e 6 6

6 = e

5 Minute CheckSolve and show work on the back on your homework.3. 2.5g = 5

5 Minute CheckSolve and show work on the back on your homework.3. 2.5g = 5 2.5 2.5

g = 2

5 Minute CheckSolve and show work on the back on your homework.4. 8.1 = 0.9c

5 Minute CheckSolve and show work on the back on your homework.4. 8.1 = 0.9c 0.9 0.9

9 = c

5 Minute CheckSolve and show work on the back on your homework.4. 10 8.1 = 0.9c 10

81 = 9c 81 = 9c 9 9

9 = c

5 Minute CheckFlashcards

Tuesday, Dec 17Lesson 7.5

Solve and Write Division EquationsSolve and Write Division EquationsObjective: To successfully solve and write division equations.

Solve and Write Division EquationsAt the end of this lesson you should be able to answer the following question.

When solving an equation, why is it necessary to perform the same operation on each side of the equal sign?

Solve and Write Division EquationsWhat is the coefficient? 9 t = 3

Solve and Write Division EquationsWhat is the coefficient? 9 t = 3

9

Solve and Write Division EquationsWhat is the coefficient? t = 3 9

Solve and Write Division EquationsSolve and Write Division EquationsWhat is the coefficient? 32 = x 5

Solve and Write Division EquationsWhat is the coefficient? 32 = x 5

1 5

Solve and Write Division EquationsWhat is the coefficient? 40 = y 2

Solve and Write Division EquationsWhat is the coefficient? 40 = y 2

1 2

Solve and Write Division EquationsMultiplication and Division Property of Equality states if two expressions are equal to each other and the exact same number is multiplied or divided from both sides, the two sides will remain equal.

Solve and Write Division EquationsAn equation is only true if both sides are equal.

A teeter totter will only be balanced if there is equal weight on both sides.

Solve and Write Division Equations

Solve and Write Division EquationsThe process for solving an algebraic division equations is the same as solving an algebraic multiplication equations.

Solve and Write Division EquationsTo Solve a Multiplication or Division Equation. Step 1 ?

Solve and Write Division EquationsTo Solve a Multiplication or Division Equation. Step 1 Determine the coefficient.

Solve and Write Division EquationsTo Solve a Multiplication or Division Equation. Step 2 ?

Solve and Write Division EquationsTo Solve a Multiplication or Division Equation. Step 2 Multiply both sides by the reciprocal of the coefficient.

Solve and Write Division EquationsTo Solve a Multiplication or Division Equation. Step 3 Simplify.

Solve and Write Division EquationsSolve: b = 7 3

Step 1 - ?

Solve and Write Division EquationsSolve and Write Division EquationsSolve and Write Division EquationsSolve: 3b = 7 3 3

Step 3 - ?

Solve and Write Division EquationsSolve: 3b = 7 3 3

Can we simplify the left side of the equation?

Solve and Write Division EquationsSolve: 3b = 7 3 3

b =

Can we simplify the right side of the equation?

Solve and Write Division EquationsSolve: 3b = 7 3 3

b = 21

Work to be shown on the homework.

Solve and Write Division EquationsSolve:

d = 9 8

Do this on your own.

What is the reciprocal of the coefficient?

Solve and Write Division EquationsSolve:

8 d = 9 8 8

d = 72

Solve and Write Division EquationsSolve:

30 = x 2

Do this on your own.

Solve and Write Division EquationsSolve:

230 = x 2 2

60 = x

Solve and Write Division EquationsSolve:

3.4 = x 4.5

Do this on your own.

Solve and Write Division EquationsSolve:

4.5 3.4 = x 4.5 4.5

15.3 = x

Solve and Write Division EquationsThe maple tree in Arnies front yard is 42 feet tall. The maple tree is three times the height of the pear tree. What is the height of the pear tree?

Do this on your own.

Solve and Write Division EquationsThe maple tree in Arnies front yard is 42 feet tall. The maple tree is three times the height of the pear tree. What is the height of the pear tree? 3p = 42

3p = 42 3 3

p = 14

Solve and Write Division EquationsThe weight of an object on the Moon is one-sixth its weight on Earth. If an object weighs 35 pounds on the Moon, write and solve an algebraic equation to find its weight on Earth.

Do this on your own.

Solve and Write Division EquationsThe weight of an object on the Moon is one-sixth its weight on Earth. If an object weighs 35 pounds on the Moon, write and solve an algebraic equation to find its weight on Earth.

6 w = 35 6 6

w = 210Remember -to find the fraction of a number, you multiply that number by the fraction.

Solve and Write Division EquationsSolve and Write Division EquationsSolve and Write Division EquationsSolve. 75 = 15 c

Do this on your own.

Solve and Write Division EquationsSolve. 75 = 15 c c 75 = 15 c c

75 = 15c

75 = 15c 15 15 5 = c

Solve and Write Division EquationsWhen solving an equation, why is it necessary to perform the same operation on each side of the equal sign?

Solve and Write Division EquationsAgenda NotesHomework Homework Practice 7-5Due Wednesday, Dec 18

Chapter 7 Test Thursday, Dec 19 Help Session Wednesday, Dec 182:15-3PM