Rational Operations
Percents/Similar Figures
Inequalities
Multiple Representations
Mystery Questions
100
Which numbers are integers as the lowest subset?
2, -5, -2.9, 4/2, -9/3, and -87
-5, -9/3, -87
100
What is 30% of 40?
12
100
What happens when you multiply or divide by a negative number when solving inequalities?
You switch/flip the sign.
100
A recipe says to use 3 cups of flour to make 48 cookies. What is the constant of proportionality that relates the number of cookies made (y) to the number of cups of flour used (x)?
16
100
What's the mathematical word for replacing an x for a number within an equation?
Substituting
200
-26.47 - 12.96 = ?
-39.43
200
x = 40
200
Lawrence’s father gave him 200 baseball cards. Each week, Lawrence purchased 25 basebell cards to add to his collection. Which inequality can be used to find w, the number of weeks after starting his collection when Lawrence will have more than 750 baseball cards in his collection?
25w + 200 > 750
200
What is the rate of change?
2 cups of water for every cup of rice (2/1)
200
The distance between two cities on a map is 3.5 centimeters. The map uses a scale in which 1 centimeter represents 20 kilometers. What is the actual distance between these two cities in kilometers?
70 km
300
The 15 students in the robotics club want to raise $414.45 to buy robot parts. They have already raised $158.70. If each student raises the same amount, how much more money must each student raise?
17.05
300
The Hernandez Family went out to eat. Their waitress was very helpful. If they left their waitress a 20% tip and the meal was $54.38, which of the following is closest to the amount of the tip they left for her?
Approximately $10.88.
300
3x − 2 < 10
x < 4
300
A pilot takes a taxi from the airport to a hotel. The taxi driver charges a $4.75 initial charge plus $3.75 per mile. Write an equation that can be used to find y, the total cost of the trip, if x represents the number of miles of the trip.
y = 4.75 + 3.75x
300
A clothing store is having a sale in which everything is 10% off. A shirt's original price is $30. A customer uses a coupon for $10 off after the sales price. How much did the customer save?
$13
400
Walter was shopping at HEB for dinner. He needed 3¼ lbs of carrots, 5⅛ lbs of potatoes and 1½ lbs of onions. How heavy were all of his vegetables?
9 7/8 lbs
400
22.5 cm
400
Jeff bought a bottle of water for $2. He also bought some hot dogs for $3 each. Jeff did not spend more than $14 on the hot dogs and the bottle of water. Write an inequality that can be used to find h, the number of hot dogs that Jeff could have bought.
2 + 3x ≤ 14
400
Jeremiah sells flowers for $2 each and a vase for $12. Write an equation that be used to find out how many flowers, x, can be purchased witha vase for $21 and solve for x.
12 + 2x = 20
x = 4
400
The sum of the measure of angle M and angle R is 90 degrees.
-The measure of angle M is (5x + 10)
-The measue of angle R is 50 degrees.
What is the value of x?
x = 6
500
9 ÷ 4 1/3 = ?
2 1/13
500
The price of a telescope was marked down from $250 to $200 by what percentage was the price of the television marked down?
20%
500
Write a number line which shows the solution set for the inequality 7x - 13 ≥ 8
x ≥ 3
500
Write an equation for the following table.
y = 30x
500
Mrs. Maillard opened a savings account with an initial deposit of $720.She will not make any additional deposits or withdrawals. The account earns 2% simple interest. What is the total amount Mrs. Maillard will have in her account at the end of 3 years?
$763.20