Exploring Rational Expressions in 7th Grade Math

This video tutorial for seventh-grade students covers Module 6, Lesson 3, focusing on solving for unknown angles using equations. The lesson includes examples and exercises that demonstrate how to set up and solve equations for unknown angles, including using vertical angles and full circle concepts. The tutorial emphasizes the use of color coding to help visualize and solve the problems effectively.

What is the total degree measure at a point where two lines meet forming an angle?

• 360 degrees

• 270 degrees

• 180 degrees

• 90 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

If angle AOF is 134 degrees and includes a 14 degree angle and a 90 degree angle, what is the measure of x?

• 50 degrees

• 20 degrees

• 40 degrees

• 30 degrees

Tags

CCSS.7.G.B.5

When solving for y in the context of a straight angle, if one angle is 134 degrees, what is y?

• 46 degrees

• 44 degrees

• 90 degrees

• 134 degrees

Tags

CCSS.7.G.B.5

In a full circle setup, if the known angles are 90 and 123 degrees, what is x?

• 140 degrees

• 147 degrees

• 150 degrees

• 135 degrees

Tags

CCSS.7.G.B.5

How do you solve for angle measures involving multiple x terms, such as 5x and x?

• Add them together

• Divide them

• Multiply them

• Subtract them

Tags

CCSS.4.MD.C.7

What is the value of x when 6x equals 66?

• 13

• 11

• 12

• 10

Tags

CCSS.6.EE.B.7

If vertical angles are formed and one angle is 120 degrees, what is the measure of x when 8x equals 120?

• 15

• 20

• 25

• 10

Tags

CCSS.7.G.B.5

What is the measure of an angle if 5x is 75 degrees?

• 5 degrees

• 25 degrees

• 75 degrees

• 15 degrees

Tags

CCSS.7.G.B.5

In the context of vertical angles, if one angle sum is 132 degrees, what is 6x?

• 130

• 136

• 126

• 132

Tags

CCSS.7.G.B.5

What is the correct approach to solve for x in the equation 5x + x = 6x?

• None of the above

• Multiply by 6

• Divide by x

• Combine like terms