Mod 1 & 2
(rational numbers)
(rational numbers)
Write the opposite of each number
-22
0
5
22
0
-5
4/5 x 3/4
3/5
4.7 x 2.65
12.455
-14 (8) =_____________
-42 / -7=_____________
72 / -9 = ____________
-112
6
-8
Which ratio is not equivalent to the other three?
A. 2/3
B. 6/9
C. 12/15
D. 18/27
C. 12/15
List the numbers in order from least to greatest?
-2, 8, -15, -5, 3, 1
-15, -5, -2, 1, 3, 8
7/8 divided by 3/4
1 1/6
4 / 3.2
1.25
Find the answer to the following problems.
-8 + (-6) =_________
15 + (-8)=_________
-8 - 2=________
-14
7
-10
The cost of 3 scarves is $26.25. What is the unit price?
$8.75
As part of a research team, Ryanne climbed into a cavern to an elevation of -117.6 feet. What is the absolute value of Ryanne's elevation in feet?
117.6 feet
Fred had 264 books in his personal library. He donated 2/11 of these books to the public library. How many books did he donate?
48 books
Javier reads 40 pages every hour. How many pages does Javier read in 2.25 hours?
A. 80 pages
B. 85 pages
C. 90 pages
D. 100 pages
C. 90 pages
The temperature in the morning was -3 degrees F. The temperature dropped 11 degrees by night. What was the temperature at night?
A. -14 degrees F
B. -8 degrees F
C. 8 degrees F
D. 14 degrees F
A. -14 degrees F
There are 32 female performers in a dance recital. The ratio of men to women is 3 : 8. How many men are in the dance recital?
12 men
Which set or sets does the number -22 belong to?
A. Whole numbers only
B. Rational numbers only
C. Integers and rational numbers only
D. Whole numbers, integers, and rational numbers.
C. Integers and rational numbers only
What is the reciprocal of 3 3/7?
7/24
Bryan paid $19.95 for 2.5 pounds of turkey. What was the price per pound?
$7.98
The football team lost 4 yards on 2 plays in a row. Which of the following could represent the change in field position?
A. -12 yards
B. -8 yards
C. -6 yards
D. -2 yards
B. -8 yards
A recipe calls for 3 cups of sugar and 9 cups of water. If the recipe is reduced, how many cups of water should be used with 2 cups of sugar?
A. 3 cups
B. 4 cups
C. 6 cups
D. 8 cups
C. 6 cups
Joanna split three pitchers of water equally among her eight plants. What fraction of a pitcher did each plant get?
A. 1/8 of a pitcher
B. 1/3 of a pitcher
C. 3/8 of a pitcher
D. 8/3 of a pitcher
C. 3/8 of a pitcher
A jar contains 133 pennies. A bigger jar contains 1 2/7 times as many pennies. What is the value of the pennies in the bigger jar?
$1.71
Keri walks her dog every morning. The length of the walk is 0.55 kilometer on each weekday. On each weekend day, the walk is 1.4 times as long as a walk on a weekday. How many kilometers does Keri walk in on week?
A. 2.75 kilometers
B. 3.85 kilometers
C. 4.29 kilometers
D. 5.39 kilometers
C. 4.29 kilometers
Mr. Renato had $150 in his bank account. He deposited $50. A couple of days later, he withdrew $20. A week later he deposited $75. The next week he withdrew $100. What is Mr. Renato's balance after all the transactions?
$155
Greenville and North Valley are 4.5 inches apart. The scale on the map is 1 inch = 20 miles. How far is Greenville from North Valley?
90 miles