Positive or Negative
Word Problems
Subtract
Number Lines
Add
100
Is the solution to -6.5 + 7.1 positive or negative?
positive
100
After the first round of a trivia game, Reese has a score of −8. In the second round he gains 13 points. What is Reese’s score after the second round?
5
100
Solve 15 - 21
-6
100
What addition problem is modeled by the number line below?
-8 + 9 = 1 or 9 + -8 = 1
100
Give an example of two numbers whose sum equals 0.
any number added to its opposite equals 0 (example: -5+5)
200
Is the solution to -13 - (-11) positive or negative?
negative
200
Marley had a balance of − 37 dollars in her checking account. She deposited 50 dollars. How much money is in her checking account now?
13 dollars
200
Solve -4 - 13
-17
200
What addition problem does the number line model?
2 + (-5) = -3
200
Find the sum of -19 and -23
-42
300
Is the solution to 41 + 25 + (-41) positive or negative?
positive
300
Which situation below best represents the expression -4 - 1?
A) The temperature was -4 degrees. Then it increased 1 degree.
B) Deonna had 4 dollars and spent 1 dollar on a snack.
C) Jacob had a pack of 4 dry erase markers. He gave 1 away.
D) The Rams lost 4 yards on their first play. On the next play, they lost 1 yard.
D
300
Solve: -2.9 - 5.6
-8.5
300
Write an addition problem represented by the number line.
-4 + 5 = 1 or 5 + (-4) = 1
300
Solve 4 3/8 + (-6 5/8)
-2 1/4
400
Is the solution to the following expression positive or negative?
-4/11 - 6/11
negative
400
`A dolphin ` -4 1/8 `meters below the surface of the ocean swims down` -7 5/8 `meters. Then it swims up ` 6 3/8 `meters. What is the dolphin's new position?`
-5 3/8 meters
400
Which value of x makes the following statement true?
-4 - x = positive number
A) -4 B) -5
C) 6 D) 3
B) -5
400
Draw a number line model to represent the expression -4 + -3.
see whiteboard
400
Solve - 42.8 + 31.6
-11.2
500
The sum of −17 and a number is positive.What is a possible value for that number?
any number greater than 17
500
A diving platform is 32.8 feet above the surface of a pool. The bottom of the pool is −16.4 feet from the surface of the pool. How many feet apart are the diving platform and the bottom of the pool?
49.2 feet
500
Explain why -7 - (-3) is the same as -7 + 3.
Subtracting a number is the same as adding its opposite. When you change -7 - (-3) to addition you get -7 + 3
500
Draw a number line to represent the expression 2 - (-4).
See whiteboard
500
`Find the sum of` -4.2 and 2 1/10
-2.1 or
-2 1/10