45 ÷ 9
5
What quadrant is the point (-4, 8) in?
Quadrant 2
Which situations can be represented by the integer -25? Select all that apply.
a. The temperature fell 25 degrees.
b. The company reports a $25 profit.
c. I went down 25 flights of stairs.
d. She deposited $25.
e. He withdrew $25.
A, C, E
What is the absolute value of each of the following?
a. -10
b. 3
c. -190
d. 815
a. 10
b. 3
c. 190
d. 815
I am at the store and they are selling 4 bananas for $8. How much is 1 banana?
$2
Solve.
5.51 x 1.6
8.816
Name an ordered pair that lies in the fourth quadrant.
Answers vary.
x value must be positive, y value is negative
Which statements about temperature are true? Select all that apply.
a. 0ºF is warmer than -2ºF because 0 > -2.
b. -10ºF is colder than -5ºF because -10 < -5.
c. -25ºF is warmer than 15ºF because -25 > 15.
d. -5.3ºF is colder than -5.1ºF because -5.3<-5.1
e. -2.5ºF is warmer than -2.4ºF because -2.5 > -2.4
a. -19
b. 25
c. -100
d. 0
a. 19
b. -25
c. 100
d. 0
Walmart is having a back to school sale. They are selling 4 notebooks for $12. If each notebook costs the same amount of money, which of the following are true?
a. Walmart charges $3 per notebook
b. Walmart charges $4 per notebook
c. Walmart charges $27 for 9 notebooks
d. Walmart charges $20 for 7 notebooks
A and C
Which expression is equivalent to 54 + 27?
a. 9(6 x 3)
b. 9(6 + 3)
c. (9 x 6) x (9 x 3)
d. (9 + 6) x (9 + 3)
B
In order for a number to lie on the x-axis, what must be true about it's y-coordinate?
It must be equal to zero
Mary had a debt of $200.
-200
How do you write the opposite of 7 using notation?
-(7)=-7
What is the greatest common factor and least common multiple of 8 and 36?
GCF: 4
LCM: 72
54,520 ÷ 20
2,726
Explain how you would graph the point (-4, 8). What quadrant is it in?
Start at the origin, go four units to the left and 8 units up. It is in quadrant 2.
Tammy earns $40.00 per day at her job and spends $3.00 per day on transportation. How can you represent these two numbers using integers.
40 and -3
Which of the following are true?
Select all that apply
A. -(-10) = 10
B. -(9) = -9
C. -(-12) = -12
D. The opposite of 6 will be 6 units to the left of 0 on the number line.
E. The opposite of every number will be to the left of 0 on the number line.
A, B, D
Which pair of numbers has a LCM of 28?
a. 4 and 8
b. 4 and 14
c. 7 and 8
d. 28 and 56
Kyle and Sam are shopping at a store that is selling 24 pounds of candy for $50. How much does 1 pound of candy cost? Round your answer to the nearest cent.
$2.08
Find the length of a line segment with end points (7,2) and (-4,2).
11 units
I took a ride on a submarine. We went 2,000 feet below sea level. What value could represent the elevation, in feet, of my submarine.
-2,000
What is the opposite of the opposite of -7? Write the notation to show this.
-(-(-7))=-7
GCF is 6
LCM is 24