Rational number
Find the equivalent expression to
-8 -( -4 ½ )
-8 + 4 1/2
5+(−3)=?
2
Which expression is equivalent to
-7(y - 2)?
-7y+14
A submarine is at -200 feet. It rises 150 feet. What is its new depth?
-50feet
1 cake needs 2 ¾ cups of flour. How much flour is needed for 5 cakes?
13 3/4
Solve
-1/3 (6- 4/3)
-1 5/9
-7+ (-2)
-9
Simplify:
-6(2a + 5b) - (a + 4b)
-13a-34b
A hiker climbs 237 feet up and then 237 feet down. What is the net change in elevation?
0
Which of the following statements BEST describes a situation in which opposite quantities combine to make zero?
Shawna made 8 cups of soup and divided the soup into 8 containers.
Marco missed 4 questions on a test in which each question was worth 4 points.
Melanie deposited $10 in her savings account and then withdrew $10 from the account.
Peter scored 2 goals in the first period of a hockey game and 2 goals in the second period.
3
(3 1/8) (2/5) / 2 1/4
5/9
-4-(-6)
2
Simplify:
4(x + 3) - 10 + 6x
10x +2
The temperature was -5°F in the morning and rose by 12°F. What is the new temperature?
7 degrees
Mr. Owusu started the week with $32.00 in his Venmo account. Here are his transactions for the first few days:
He sent $6.75 to his friend, Ms. Kapoor, to split the cost of a new movie rental.
He received $10.00 from his neighbor, Mr. Minyard, for helping him wash his car.
He sent $11.55 to his sister, Ms. Laidley, to pay her back for lunch they had together.
He sent $4.70 to his classmate, Ms. Banerjee, for his share of a shared online game purchase.
Determine the total change in Owusu's Venmo balance for the week. Was it an overall increase or decrease?
$59 increase
A scuba diver is 4 ⅔ feet below the surface of the water. She then dives another 2 ½ feet down. What is the scuba diver’s location in relation to the surface of the water?
-7 ⅙
12-15
-3
Simplify:
14x + 10 - 3(x + 2)
11x + 4
A bank account has -$45 and a deposit of $60 is made. What is the new balance?
$15
Paula has a bank balance of $ -70. She deposited $ 40, withdrew $25, deposited $ 15 and withdrew $52. What is her balance now?
-$92
Is 5/11 a repeating or terminating decimal?
repeating
−8+13−5=?
0
Simplify
-4( 5x+6y)-(x+4y)
-21x-28y
A diver descends 30 feet, then ascends 18 feet, then descends another 12 feet. What is the final depth?
-24 feet
What is the distance in height between a seagull flying at 150 m above the surface of the ocean and a shark swimming 40 m below the surface?
190