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

What does the equal sign tell us?

That two expressions are equivalent.

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. Marlowe graduate from High School?

1993

400

What is the most important part of learning a new math standard?

The mistakes!

OR RATHER...

Making mistakes and figuring out what you did wrong so you can persevere!

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.

First to isolate the variable. Then 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 2(2b +5 -3)

4b + 4

300

Evaluate: 2x²+8x−2, when x=3

40

400

Evaluate: 2(8r−6) + 18r + 2

34r - 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 

z = 143