Show:
Adding Rational Numbers
Subtracting Rational Numbers
Multiplying rational Numbers
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100
Evaluate: 145+55
200
100
Evaluate: 300-120 =
180
100

A NEGATIVE number multiplied by a NEGATIVE number equals a ____ number?

Positive number

100

If 3 bags of chips cost $12 then how much would 10 bags cost? 

$40

200
-20 + (-10) =
-30
200
Evaluate: -12 - 6 -5 =
-23
200

A POSITIVE number multiplied by a NEGATIVE number equals a _____ number?

Negative number

200

What is 40% of 200? 

80

300
Evaluate: -10 + 15 =
5
300
Evaluate: 60 - 10 - (-2) =
52
300

Evaluate: 15(-3)

-45

300

How many 7th grade math teachers are there? 


DAILY DOUBLE

Name them all

7 or 10


Ms. Shanks, Dr. Howitt, Mr. Hannon

Ms. Debbie, Mr. Feriend, Ms. Brodrick

Ms. Meshach, Ms., Nidhi, Ms. Noor

Dr. J

400
Evaluate: -16 + 8 + (-2) =
-10
400
Evaluate: -20 - (-10) -5 =
-15
400
Evaluate -10(-22)
220 (when multiplying: a negative and a negative = a positive)
400

You saved $12 on a shirt during a 30% off sale. What was the original price of the shirt?

$40

500

Explain the different ways to add 2 rational numbers and get a negative number. Give examples on your team's board.

The sum of two negative rational numbers is always negative.The sum of a negative and positive rational number is negative if the value of the negative number is greater than the positive number. Ex: -10 + (-10) = -20 Ex: -30 + 20 = -10

500
Evaluate: -400 - (-600) -2
198
500

Evaluate: -16(160)

-2,560

500

What is the best pizza topping? 

Mushrooms