Grade 8 Illustrative Math Unit 4 Lesson 1 - 8

Front

Solve for b: 3(b - 4) = -3

Back

b = 3

Tags

CCSS.7.EE.B.4A

Front

Solve for x: 2x - 3 + 4x = 27

Back

x = 5

Tags

CCSS.8.EE.C.7B

Front

Solve for x: 2x - 1(3 + 4x) = 11

Back

x = -7

Tags

CCSS.8.EE.C.7B

Front

Solve: 3x + 15 = 3(x + 5)

Back

Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

Front

Find the Error: 5x + 6 = 66; 5x - 6 = 66 - 6; 5x = 60; 5*5x = 60*5; x = 300

Back

Student multiplied by 5 instead of dividing by 5

Tags

CCSS.HSA.REI.A.1

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Tags

CCSS.6.EE.A.3

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What does it mean to solve an equation?

Back

To find the value(s) of the variable that make the equation true.

Tags

CCSS.8.EE.C.7B

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Tags

CCSS.6.EE.A.2B

Front

What is the first step in solving the equation 5x + 6 = 66?

Back

Subtract 6 from both sides.

Tags

CCSS.7.EE.B.4A