Vocabulary

Expressions and Inequalities

Money

Mystery

100

A small number to the right and above the base number (written as a superscript); denotes the number of times the base number should be multiplied.

What is an exponent?

100

State a value of **m** that makes the inequality below true.

3m - 4 < 11

What is any number less than 5?

100

Jake takes guitar lessons that cost $120.00 per month. **Write an equation that can be used to determine the total number of dollars, d, that Jake pays for lessons for any number of months, m?**

What is d = 120 **• **m?

100

A value without an end. Not finite.

What is infinite?

200

A letter representing an unknown number.

What is a variable?

200

Calculate what the value of the expression below is when **x** = 7.

**3x ^{2} - 2x + 3**

What is 136?

200

The outside temperature in a town is -20 degrees Fahrenheit. **State a change in temperature, in degrees Fahrenheit, that would bring the outside temperature to 0 degrees Fahrenheit. **

What is 20?

200

The equation y = 4.3x can be used to determine the total cost,** y**, in dollars, of **x** pounds of apples. **What does the number 4.3 represent in the equation?**

A. The number of apples in 1 pound

B. The number of apples in r pounds

C. The cost of 1 pound of apples

D. The cost of y pounds of apples

What is option C. The cost of 1 pound of apples?

300

A number used to multiply a variable.

What is coefficient?

300

John has ** c **coins. Nick has 4 fewer than 3 times as many coins as Josh.

What is 3c - 4?

300

The members of a school club are selling tickets for a fundraiser. The goal for the

fundraiser is to earn $50.00 each day from ticket sales. The list below shows the

percent of the goal reached each day.

• On the first day, the members earned 90% of their daily goal.

• On the second day, the members earned 6% more than their daily goal.

• On the third day, the members earned 14% less than their daily goal.

**Calculate how much money they earned in total. If needed, calculator permitted.**

What is $141?

300

Employees at a construction company are building a fence around the perimeter of a work site. The perimeter of the work site is ¼ mile. The cost of the fence is $20.00 per yard.

**Compute the total cost of the fence needed for the perimeter of the work site.**

**Hint: 1 mile = 1760 yards**

What is $8,800?

400

The relationship between two mathematical expressions that are not equal, utilizing the following symbols: ≠ , <, >, ≤, and ≥.

≠: not equal

>: greater than

<: less than

≥: greater than or equal to

≤: less than or equal to

What is an inequality?

400

Select the expression that is equivalent to the expression shown below

**2+3(2x +5)**

A. 7 + 6x

B. 17 + 2x

C. 17 + 6x

D. 25 + 10x

What is option B. 17 + 2x?

400

Marcy is buying prizes to give away at a fundraiser, as described below.

• She has $250.00 to spend.

She buys 13 movie passes for $9.50 each.

• She buys 3 gift cards valued at $25.00 each.

• She will use the rest of the money to buy candy bars that cost $1.75 each.

**State the greatest number of candy bars she can buy with the rest of the money.**

What is 29 candy bars?

400

Cory drinks water from a bottle during a bike ride. The average amount of water, in ounces, in his water bottle can be represented by the equation **y = -8x + 32**, where** y **is the amount of water remaining after **x** hours. **Based on the equation, calculate the amount of water, in ounces, that will remain in the bottle after Cory rides for 2½ hours.**

What is 12?

500

An opposite operation that reverses the effect of another operation.

What is inverse operation?

500

Katelyn wants to buy a $75.00 skateboard. She has $25.00 saved so far. She mows lawns to make extra money and earns $20.00 for each lawn she mows. **Write an inequality that can be used to determine the number of lawns, x, she needs to mow to have enough money to buy the skateboard.**

What is 25 + 20x ≥ 75?

500

Ms. Boi spent a total of $175.00 for 4 admission tickets and for parking at a baseball game. The cost of each admission ticket was the same amount, including tax. The cost of parking was $25.00. Write an equation that can be used to determine t, the cost, in dollars, of each admission ticket, including tax. **Calculate the cost, in dollars, of each admission ticket, including tax. If needed, calculator permitted.**

What is $37.50?

500

An act of regulating oneself without intervention from external bodies or sources.

What is self-regulation?

Click to zoom