Equations with Angles Notes and Practice - MATH 2017-2018

Using Properties of Angles

to Solve Equations

?Notes Page

?Practice

?Assessment

http://

teach

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Possible Directions For Use:

1. Copy the Notes Page for each student. I have

students cut out it out and glue it in their

notebooks (after the notes are finished).

2. Use the answer key to guide you as you take

students through the notes.

3. Once the notes page is completed, have

students cut and paste it into their notebooks.

4. Pass out the worksheet as homework, in-class

practice, or partner work.

5. The half-sheet exit slip can be used as a

formative assessment, for homework, or as an

entrance slip the next day.

Helpful hint: I have a bulletin board, where I

staple up all notes pages answer keys after a

lesson. This is helpful for absent students. I also

will use it as a reference throughout the unit.

NOTES

Using Angle Measurements to Solve Multi-Step Equations

To solve for a missing value, complete the following steps.

1)

2)

3)

Type of Angles:

Key Information:

Equation:

x¡ã

20¡ã

Solution:

Type of Angles:

Key Information:

Equation:

50¡ã

(2x +25)¡ã

Solution:

Type of Angles:

Key Information:

Equation:

60¡ã

(5x +5)¡ã

Solution:

X

(2x)¡ã

Type of Angles:

W

H

Key Information:

Y

Equation:

30¡ã

m ¡ÏXYZ = 50¡ã

Z

Solution:

Multi-Step Equations - Practice Worksheet

Name:

For each problem, solve for the missing value. Show your work when solving the equation.

1

X

2

(3x - 3)¡ã

147¡ã

(3x)¡ã

m ¡ÏXYZ = 60¡ã

27¡ã

Y

Z

Type of Angles:

Type of Angles:

Key Information:

Key Information:

Equation:

W

Equation:

Solution:

3

Solution:

4

(5x - 1)¡ã

(?x - 12)¡ã

48¡ã

39¡ã

Type of Angles:

Type of Angles:

Key Information:

Key Information:

Equation:

Equation:

Solution:

5

Solution:

6

(-2x - 6)¡ã

(2x + 71)¡ã

40¡ã

9¡ã

Type of Angles:

Type of Angles:

Key Information:

Key Information:

Equation:

Equation:

Solution:

Solution:

Using Angles to Solve Equations - Exit Slip

Name:

Write an equation and solve for the missing value. Show your work.

1

3

2

47¡ã

(2x - 3)¡ã

82¡ã

(4n - 5)¡ã

115¡ã

(5y + 12)¡ã

4

X

(3x +2)¡ã

35¡ã

W

72¡ã

H

Y

5

m ¡ÏXYZ = 110¡ã

(5n)¡ã

Z

Using Angles to Solve Equations - Exit Slip

Name:

Write an equation and solve for the missing value. Show your work.

1

3

2

47¡ã

(2x - 3)¡ã

82¡ã

115¡ã

(5y + 12)¡ã

4

X

5

(3x +2)¡ã

72¡ã

W

35¡ã

H

Y

m ¡ÏXYZ = 110¡ã

(5n)¡ã

Z

(4n - 5)¡ã

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