Adding and Subtracting Rational Numbers
What is the value of -24 - (-20 + 8)
-12
Jerry owes $14 dollars to his friend Tim. He needs to pay him back but also needs $7 to purchase dinner. Write an equation using absolute value to show how much money Jerry owes his friend Tim if he borrows another 7 dollars.
|-14+ -7| = 21
Solve: -9 (1/3 + 1/5)
- 4 4/5
Show -(2/3) as a decimal
-0.66 (repeating decimal)
Use a number line to solve this problem: A javelin thrower throws a javelin from -12 yards to 15 yards. How far did he throw his javelin?
27 yards
-120 + (120) =
0
Kenneth started with $37 dollars in his bank account. If he writes a check for $29 dollars and withdraws $15 dollars, how much money does he have in his account now? Write an equation and solve
37 + (-29) + (-15) = -7
Solve: 15/2 (- 12/5 + 6)
27
Use long division to determine the value of -32/5 as a decimal.
-6.4
The temperature goes from 0 degrees faranheit to -5 degrees faranheit in 1 hour. The second hour it goes from - 5 degrees faranheit to -8 degrees faranheit. How much will the temperature need to change to get back to 0 degrees faranheit?
The temperature will have to increase 8 degrees faranheit to get back to 0 degrees.
What is the value of -6.32 + 1.46 - 8 - 12.34?
-25.20
After 6 months, $540 dollars was deducted from Ms. Jensen's bank account for her phone bill. Write an expression to represent how much Ms. Jensen's account changed each month.
-540 ÷ 6 = -90
Solve: -12( 1.45 + (-3.59))
25.68
What is 22/6 as a decimal?
3.66 (repeating decimal)
A quarterback throws a football 12 yards to his teammate. The teammate catches the ball and is pushed back 8 yards. Write an equation and solve for this situation.
12 + (-8) = 4 yards
What is -6.26 - (-7.93) = ?
1.67
If the temperature drops from 2 degrees celsius to -5 degrees celsius in 1 hour and drops another 3 degrees celsius the next hour, by how much will the temperature have to change to increase to 0 degrees celsius?
-2 + (-5) + (-3) + x = 0
x = 10 degrees
Solve: 2 1/2( - 1/4 + 2/5)
3/8
What is (-4/7) as a decimal?
0.571428 (repeating)
Tony has an account at the grocery store. He spent 5 dollars each day for the past 6 days and charged it to his account. Each time he forgets his money they charge his account an additional $0.50. Write an equation to show how much money Tony has spent and describe what this means for his account.
6(-5.50) = -33.00
This means Tony owes the grocery store $33.00, he has overdrawn his account by $33.00.
What is 3 1/2 + (- 2 1/2 ) - (- 3/4)?
1 3/4
Jake caught a lacrosse ball and ran for 7 yards before being pushed backward 10 yards. Write an equation that correctly shows his change in yardage.
7 + (-10) = -3
Solve: -2.1(-.03 + .9)
-1.827
Convert (-1/6) and -(2/12) to a decimal, are they equivalent?
-.166 (repeating) and -.166 (repeating) they are equivalent
Kelly received $120 dollars for her graduation and decides to go shopping. She buys 2 shirts for $20.25 each, $30.12 on a pair of Jeans, and $25.90 on a new pair of tennis shoes. How much money does she have left?
$23.48