6th grade Expressions and Equations

Combining Like Terms

100

-4 + 5x + 7y -3y + x -3

4x + 4y - 7

200

2m + 4v - 2x + 3v - 5s

2m - 5s + 7v - 2x

300

2(3x - 5) - 5x

x - 10

400

3(x - 2) + 8x - 2 + 13

11x + 17

500

3x² + 7x - 2x + x² - 5 + 9x

4x² + 14x - 5

Solve 2 Step

100

3x + 4 = 13

x = 3

200

-4x - 13 = 11

x = -6

300

25 = -13 + 2x

x = 19

400

7x = 9x + 18

x = -9

500

3x + 9 = 5x - 15

x = 12

Solving 1 Step

100

18 + x = 36

What is "x = 18"?

200

x - 45 = 88

What is "x = 43"?

300

x/3 = 10

What is "x = 30"?

400

15 * x = 75

What is "x = 5"?

500

x/-7 = 49

x = -343

Solve and Graph

100

3 > 3x

1 > x

200

-5x < 15

x > -3

300

9f ≤ 63

f ≤ 7

400

3x - 9 ≥ 18

x ≥ 9

500

x/-7 - 4 > 3

x < -1

Vocabulary

100

A(n) _________________ is an unknown part of an equation, represented by a letter.

What is a variable?

200

Each group of variables and numbers, separated by addition and subtraction signs, is called a(n) _____________ of the equation.

What is a term?

300

Two expressions set equal to each other creates a(n) _______________.

What is an equation?

400

A(n) ________________ is a combination of numbers, variables, and symbols that illustrate a mathematical relationship

What is an expression?

500

the answer to a subtraction problem is a(n) ______________.

What is the difference?