Module 1: Integer Concepts
Jose collects baseball cards. Over the last year, the change in the value of his favorite card is -$7. Which best describes the meaning of this integer?
A. The card is worth $7
B. The Value of the card has increased by $7
C. The value of the card has decreased by $7
D. The card is now worth -$7
C. the value of the card has decreased by $7
A stock market index drops by 1.38 points. What rational number represents the change in the index?
-1.38
Jolene is cutting a strip of yarn that is 11/12 inch long into pieces that are 2/12 inch long for a collage. How many complete pieces can she make?
5 pieces
A hectare is a measure of an area. There are 2.471 acres in 1 hectare. What is the area of 3 hectare?
7.413 acres
Marta has a bracelet made up of 3 red, 5 yellow, and 24 green beads. What is the ratio of yellow beads to beads that are not yellow?
5:27
Choose the correct symbol from <, >, and = to compare the numbers.
-6____-8
-6__>__-8
Which inequality is correct?
A. 0.6 < -0.3
B. 0.5 > 0.6
C. -0.8 > .4
D. -0.3 > -0.8
D. -0.3 > -0.8
Terell is cutting a piece of trimming that is 15/18 foot long into pieces that are 3/18 foot long. How many pieces will Terrell have?
5 pieces
A quart of water weighs about 2.09 pounds. Approximately what would 15.5 quarts of water weigh?
32.395 pounds
Mila ran 3 miles in 21 minutes. Fatima ran 5 miles in 35 minutes. Are the ratios of miles to minutes equivalent?
Yes; 3/21 = 1/7 and 5/35 = 1/7
Each day, the total number of people who visit a city's public library is recorded. The change from the same day last year is also recorded. The changes for four consecutive days are shown below:
Monday: +127, Tuesday: -18, Wednesday: +19, Thursday: -209
A. Monday
B. Tuesday
C. Wednesday
D. Thursday
D. Thursday
Ambrose and Kaitlin are volunteering at a food bank. They both start at the same time. Kaitlin works for 13 minutes before taking a break. Ambrose works for 7 minutes before taking a break. After how many minutes will both first take a break at the same time?
91 minutes
How many 1/2 cup are in 7/8 cup?
7/4 or 1 3/4 half cups
A #15 drill bit measures 0.18 inch in diameter. The diameter of a large construction drill bit is about 2.3 times the diameter of a #15 bit. Approximately how large is the construction drill bit in diameter?
0.414 inch
Preston is buying 1 gallon cans of paint to paint a room. The information on the paint can says that a gallon of paint can cover 400 square feet. The room's walls walls are 688 square feet combined. How many 1 gallon cans of paint does he need to buy 2 coats of paint on the walls?
4 cans
The temperature this morning, measured in degrees Fahrenheit, was eight degrees below zero. What integer represents this temperature?
-8 F
What is the least common denominator for the fractions 3/4, -2/5, and 3/2? State what strategy and tool you will use to answer the question, explain your choice, and then find the answer.
Least Common Denominator = 20
Solve the expression:
2/10 divided by 5/4
4/25
A small concert venue earned $6,804 in ticket sales. All tickets were the same price. If the venue sold 252 tickets, how much did each ticket cost?
$27
Jackson answered every 7 out of 9 questions correctly on a Spanish. If the quiz had 63 questions, how many questions did Jackson answer correctly?
49 questions
Positive and negative numbers are used to indicate elevations. Which statement is true about the elevations 30 feet and -30 feet?
A. They are both 30 feet above sea level
B. The elevations are each the same distance from sea level
C. They are both 30 feet below sea level
D. The elevation of 30 feet is farther from sea level than the elevation of -30 feet.
B. The elevations are each the same distance from sea level
The city of Kuttanad, India, has an elevation of -2.14 meters. The area near the mouth of the Dniester River in Moldova has an elevation that is the opposite of the elevation in Kuttanad. What is the elevation near the mouth of the Dniester River?
2.14 meters
An equation is shown:
1 2/3 x ___ = 1/4
What factor is missing from the equation?
3/20
Tabitha collects quarters from different states. The value of her collection is $17.75. How many quarters does she have in her collection?
71 quarters
Write the ratio three different ways: 1 table for every 4 students.
1 to 4, 1;4, or 1/4