Rational Numbers, Opposites, and Absolute Values
Adding Integers
Adding Rational Numbers
Subtracting Integers
Misc with Rational Numbers
100
A worker in a silver mine descends 36 feet. Use an integer to represent the change in the​ worker's position.
-36
100
Complete the statement below. Then use a number line to find the sum 4+​(−3​). 4+​(−3​) is​ ___ units from 4​, in the​ ___ direction.
3; negative; 1
100
Find the sum. (7/11)+(−1/11)
6/11
100
Use a number line model to find −3−6. Solve the expression
-9
100
Decide if each expression describes a difference that is​ positive, negative, or zero. 3.7 −9.9 3.7−(−9.9)
Negative; Positive
200
Which of these situations can be represented by the opposite of −77​? You walk down 77 flights of stairs. You climb up 77 flights of stairs. The temperature drops 77°F. You spend $7 on a book.
You climb up 77 flights of stairs.
200
Which pairs of integers are additive​ inverses? Select all that apply. 4, 4 4, −4 6, −6 6, −4
4, -4 6, -6
200
Find the value of the expression 6.9+(−2.6).
4.3
200
Find the value of the expression. 9−​(-3)
12
200

Which situations have quantities that combine to make zero?

A. An elevator goes down six floors, then goes up six floors.

B. A elevator goes up six floors, then goes up six more floors.

C. Mikiya withdraws fifteen from her account, then her mom deposits fifteen in her account. 

D. Ms. Moore's jet ascends 2300 feet, then descends 1500 feet. 

A. An elevator goes down six floors, then goes up six floors.

C. Mikiya withdraws fifteen from her account, then her mom deposits fifteen in her account.

300
Two submarines are underwater. The number −4,451 represents Submarine​ A's position​ (in feet) relative to the surface. The number −4,979 represents Submarine​ B's position​ (in feet) relative to the surface. Which submarine is closer to the​ surface?
Submarine A
300
Suppose a deep sea diver dives from the surface to 83 feet below the surface. He then dives down 11 more feet. The​ diver's depth is represented by the sum −83+​(−11​). Find and interpret the sum to describe the​ diver's present depth.
-94 94 feet below the surface
300
Add. −9.3+(−6.5)
-15.8
300
Find −7−​(−9​).
2
300
Find (−1/3)−(-5/6)
1/2
400
Which of these situations can be represented by the opposite of 66​? Select all that apply. A book was 66 pages shorter than you expected. Andrew spent $66. The temperature was 66°F. Jennifer sold 66 apples.
The book was 66 pages shorter than you expected Andrew spent $66 Jennifer sold 66 apples
400
From the following​ list, Meghan has to select all pairs that are additive inverses. Select all pairs that are additive inverses. 6, 6 −6, 6 9, −9 −6, −6 −9, −9
-6, 6 9,-9
400
In her garden Pam plants the seed 4 1/2 in. below the ground. After one month the tomato plant has grown a total of 9 3/4 in. How many inches is the plant above the​ ground?
5 1/4
400

What do we use to subtract integers

KEEP CHANGE CHANGE

400
Subtract. 10.0−(−2.5)
12.5
500
In a recent​ year, the number of DVDs shipped to an online retailer was 84,000 less than the previous year. Use an integer to describe the change in the number of DVDs shipped.
-84,000
500
A car backs up 17 feet, followed by 11 more feet. The​ car's position can be represented by the sum −17+(−11). Find the sum. Use pencil and paper. Represent the situation with a drawing
-28
500
Simplify the expression. (2/3)+(1/9)
7/9
500
Write an addition expression equivalent to 2−​(−6​). Then find 2−​(−6​).
2+6; 8
500
The freezing point of Chemical A is −127.27°C. The freezing point of Chemical B is −89.1°C. Which chemical has a higher freezing​ point? How much higher is​ it?
Chemical B has a higher freezing point by 38.17 degrees
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