Expressions and Equations

Vocabulary

100

This type of math problem has no equal sign.

Expression

200

Another word for the letters used in expressions and equations.

Variable

300

A number that stands alone  in expressions and equations

Constant

400

3 = 3 is an example of what type of solution?

Infinite Solutions

500

List 2 terms for each operation below: 

addition, multiplication, and division

sum, added to, plus, product, multiplied by, quotient, divided by 

Random Trivia

100

What is the next number in the pattern? 55, 56, 58, 61, 65, ____

70

200

How many sides does a stop sign have?

Eight sides.

300

When did Mrs. Washington graduate from High School?

1999

400

How much wood could a woodchuck if a woodchuck could chuck wood?

700 pounds 

or

 a woodchuck can chuck as much wood as a woodchuck could chuck.

500

Name 3 countries that start with the letter, S.

Spain, Sweden, Sudan, South Africa, Switzerland, South Korea

Written Algebra

100

The goal to solving equations.

To find a value for the variable that makes the equation a true statement.

200

Write the algebraic equation for: the sum of x and z is 15 less than x. 

x + z = x - 15

300

Write ⅔ r² in verbal algebraic form. 

The product of two-thirds and r squared. 

400

Alya orders 250 pencils and 500 calculators printed. 

Write an algebraic expression that represents the total number of pencils and calculators cost (x).

250p + 500c = x

500

The length of a rectangle is 3 inches more than the width. If the perimeter is 26 inches. The length of the rectangle is?

What is 8 inches.

Expressions

100

Name the 'like terms' in the expression below: 

6x² - 12x + 5y + 2x² - 4y

6x^{2 and} 2x²

5y and 4y

200

Simplify 2b - 2(2b +5 -3)

-2b - 4

300

Evaluate: 2x²+8x−2, when x=3

40

400

Evaluate: 2(−8r−6) + 18r + 2

2r - 10 

500

The width of a rectangle measures (7f-4) centimeters, and its length measures (2f+5) centimeters. 

Write an expression (make sure to combine like terms) that represents the perimeter, in centimeters, of the rectangle?

7f - 4 + 7f - 4 + 2f + 5 + 2f + 5 

18f + 2

Equations

100

Solve: k/8 =24

k=192

200

Solve the following one-step equation: 

6y = - 36

y = -6 

300

Solve the following two-step equation:

28 = 4(1 + 3d)

d = 2

400

List the 5 steps for solving an equation.

Distribute, combine like terms, add or subtract, multiply or divide, check. 

500

Solve the following equation: 

39 = 3/11z + 18

z = 77