Show with counters:
-5 + 8
How many zero pairs do you have?
- - - - -
+ + + + + + + +
100
During a new play on the football field the Panther's quarterback gains 10 yards and then loses 3 yards. What is the change in yards from the beginning of the play to the end of the play?
7 yards
100
12. Evaluate:
-3 – (-40)
37
100
What is 24 divided by -6?
-4
100
10. A fish is 73 feet below sea level. It then swims 14 feet toward the surface. How many feet below sea level is the fish now?
YOU BETTER DRAW THAT PICTURE and write the expression!
-73 + 14
-59
200
22. Draw a model to represent 2 x -4
- - - -
- - - -
200
Which of the following would represent a negative number?
F. The change in temp from 10° to 5° below zero.
G. Climbing a mountain that is 5,000 feet.
H. Ascending to the surface from a deepwater dive.
J. Depositing a paycheck into a savings account
BONUS: Jillian went to the mall and spend 4 dollars on a frappucinno, bought 2 shirts for 20 dollars each, and then was given a 5 dollar bill by a sweet older lady.
If Jillian started out with 52 dollars at the beginning of the day, how much does she have now???
F
Jillian has 13 dollars.
200
11. Solve:
-13 + (-5)
What is the rule for Integers with the same signs?
-18
If you are adding integers with the same sign, you add the values and keep the same sign!
200
21. Solve (-6 + 2) x 3
-12
200
13. An elephant at the zoo lost 24 pounds over 6 months. The elephant lost the same amount of weight each month. Write an integer that represents the change in the elephant’s weight each month
-4
300
14. Model -6 + 5 using negative and positive signs. Show zero pairs and solve the problem.
- - - - - -
+ + + + +
300
18. The Tigers, a football team, must gain 10 yards in the next four plays to keep possession of the ball. The Tigers lose 12 yards, gain 5 yards, lose 8 yards and gain 14 yards. Do the Tigers maintain possession of the ball?
Write out your PEMDAS equation for this one!!
NO
300
-7 - 19
-7 + (-19) =
-26
300
-3 - (-2) x 4
-3 - (-2) x 4
-3 - (-8)
=5
300
16.Explain how to solve 6 – (-3). Using negative and positive counters and zero pairs.
+ + + + + + + + +
_ _ _
Start with 6 positive counters. You don't have 3 NEGATIVE counters to take away so you have to add 3 zero pairs.
400
10 - (-3)
+ + + + + + + + + + + + +
- - -
400
15. Jill and Tony play a game. Jill moves back 3 spaces four times, and then forward 6 spaces. Tony moves back 2 spaces three times, and then forward 3 spaces once. Find each player’s change. Who moved farther?
Jill moves 6
Tony moves 3
Jill moves farther
400
TEAM vs. TEAM
What is the sign of each of the following?
a) a negative divided by a positive
b) a positive divided by a negative
c) a negative multiplied by a negative
d) a positive multiplied by a negative
e) 79 + 3
f) -79 + 3
g) 79 – 3
h) -79 – 3
a) a negative divided by a positive = -
b) a positive divided by a negative = -
c) a negative multiplied by a negative = +
d) a positive multiplied by a negative = -
e) 79 + 3 = +
f) -79 + 3= -
g) 79 – 3 = +
h) -79 – 3 = -
400
8 + 3 x -5 + (2-3)
-8
400
17. A seal is swimming in the ocean 5 feet below sea level. It dives down 12 feet to catch some fish. Then the seal swims 8 feet up towards the surface with its catch. What is the seal’s final elevation relative to sea level?
-9
500
6 groups of -3
- - -
- - -
- - -
- - -
- - -
- - -
500
If the temperature outside was 23° at 2 p.m. and dropped to -3° by 6 p.m., what is the change in temperature?
BONUS!! If you get this bonus question right your team will get 200 extra points!!
The temperature outside was 40° at 12:00 p.m., and rose 6° every 5 minutes for the rest of the day.
What is the temperature 30 minutes later?
76°
500
Which of the following temperatures are listed from warmest to coldest?
A. –15, 12, 10, -8
B. 12, 10, -8, -15
C. 10, 12, -8, -15
D. -8, 10, 12, -15
B
500
Draw the PEMDAS hopscotch and explain to the class what it means!
show on board
500
A submarine was cruising at 200 feet below sea level. Then it dove to a depth of 235 feet below sea level. Use an integer to name the change in the submarine depth.