Addition
Which situation could be solved using the equation 5+ (-5)=0?
A. Luna has $ 5 in her lunch account. He deposits $5 in his account when he gets to school in the morning.
B. Estrella recorded a temperature of -5 degrees at 8:00 a.m.. An hour later, the temperature decreased 5 degrees.
C. Paul places 5 counters, each representing -1, in a group. He creates a total of 5 identical groups.
D. Melinda walks 5 blocks away from her home and stops to get a snack. She walks back home. How far away is she from home?
D. Melinda walks 5 blocks away from her home and stops to get a snack. She walks back home. How far away is she from home?
Which is equivalent to 7/9?
A. 1.285
B. 0.777
C. 0.70
D. 0.1285
B. 0.777
Determine the difference.
45- (-8)=
53
Find the product.
(-12) (4) (-1/4)=
12
Enter the quotient for 36/-3
-12
Which expressions have the value of -13?
A. -3+10
B. -7+(-6)
C. 5+(-18)
D. 10+(-3)
B. -7+(-6)
C. 5+(-18)
Decide which fraction are equivalent to repeating decimals.
A. 8/9
B. 3/4
C. 5/12
D. 3/7
A. 8/9
C. 5/12
D. 3/7
Select all expressions that equal -21-(-17).
A. -21+(-17)
B. -21+17
C. 17+(-21)
D. 21+17
E. -17+21
B. -21+17
C. 17+(-21)
Which of the following expressions results in a negative product? Select all that apply.
A. 3[5-(-3)]
B. -3(-2+8)
C. 4(-8-2)
D. -3(-5)(-4)
B. -3(-2+8)
C. 4(-8-2)
D. -3(-5)(-4)
Mia know that m/n = o for integers m, n and s. Which of the equations must also be true?
A. -m/-n= o
B. -m/n= o
C. -m/n= -o
D. m/-n= o
A. -m/-n= o
C. -m/n= -o
R and S are numbers and R + S = 0
Select the statements about R and S that could be true.
A. R < 0 and S> 0
B. Both R and S can not be 0.
C. R and S are on opposite sides of zero on and equally distance distant from zero on the number line.
D. R and S are both positive.
A. R < 0 and S> 0
C. R and S are on opposite sides of zero on and equally distance distant from zero on the number line.
Which fractions below are equivalent to 0.46?
A. 23/50
B. 50/23
C. 69/150
D. 23/500
A. 23/50
C. 69/150
Determine which situations could represent a total of -17.
A. The temperature at 10 p.m was -10 degrees. At 7 a.m the temperature had decreased 17 degrees.
B. The temperature at 10 p.m was -10 degrees. At 7 a.m. the temperature had increased 7 degrees.
C. The temperature at 10 p.m was -10 degrees. At 7 a.m. the temperature had decreased 7 degrees.
C. The temperature at 10 p.m was -10 degrees. At 7 a.m. the temperature had decreased 7 degrees.
Two climbers are climbing the Mount Everest, the highest peak in the world. They begin their ascend and climb at an average rate of 187.3 feet every 30 minutes.They have completed 4 hours of climbing. Which rational number represents the change in their altitude ( in feet)?
A. 749.2
B. -749.2
C. 1,498.4
D. -1,498.4
C. 1,498.4
Select the values equal to - 5/2
A. -5/-2
B. - -5/-2
C. - -5/2
D. -5/2
E. 5/-2
B. - -5/-2
D. -5/2
E. 5/-2
You are playing a game and have 3 card in your hand, one of them is -10. Select all possible combinations that would result in a sum of zero.
A. -5, -5.
B. 6, 4
C. -7, 3
D. -8 , -2
E. 8, 2
F. 7, 3
B. 6, 4
E. 8, 2
F. 7, 3
A number line contains 4 points. Point O is located on .0.375, Point P is located on 0.08, Point Q is located on 0.125 and R is located on 2.666. Which letter represents the fraction 1/8 in a decimal form
A. O
B. P
C. Q
D. R
Point Q
Select the expressions that show the distance between Points P and Q on a number line. Point P is located on -13 and Point Q is located on 8.
A. -13-(-8)=
B. 8-(-13)=
C. 8+ |-13|=
D. |8+(-13)|=
E. 8+(-13)=
F. |-13-8|=
B. 8-(-13)=21
C. 8+ |-13|= 21
F. |-13-8|= 21
Omar's car insurance payment decreases by $30 dollars each year. Which expressions represent the total change in payment, in dollars, after 6 years?
Choose all that apply.
A. 180
B. -180
C. 6 x (-30)
D. 6 x 30
E. -30-30-30-30-30-30
B. -180
C. 6 x (-30)
E. -30-30-30-30-30-30
Find the quotient. Enter your answer as a fraction or improper fraction.
-12/4 / 2/3
-9/2
Mary is taking a test. She is given the expression -45 + p.
Which of the following will always make Mary's expression positive?
A. The value of p is less than 45.
B. The value of p is greater than 45
C. The value of p is greater than -45
D. The value of p is less than -45
E. The value of p is negative
F. The value of p is positive
B. The value of p is greater than 45
F. The value of p is positive
Erin is making cookies and has 3 3/8 cups of flour. The recipe calls for 3. 8 cups of flour. Does she have enough flour to continue with the recipe? Explain.
No- 3 3/8 - 3.375 but she needs 3.8.
A number line has four elevations in Death Valley National Park.
Zabriskie Point located at 725 feet.
Stovepipe Wells located at 5 feet.
Furnance Creek located at -165 feet.
Badwater Basin at -321.
Determinw the difference between the elevation at Badwater Basin and Stovepipe Wells.
326 feet
A movie rental company deducts $11 from Maria's account every month for 3/4 of a year before she decided to cancel her subscription with the company. After 3/4 of a year, how much do movie rental fees change Maria's account?
$99
Marc's elevation decreases by 450 meters as he rides his bike down to the bottom of a hill. He did the ride in 9 equal stages. How much did Marc's elvation change during each stage?
-50 Meters.