Investigation 2:Adding and Subtractin Rational Numbers
Investigation 4:Properties of Operations
100

-1.4 + 5 

3.6 or 18/5, 3 3/5

100

In PEMDAS, which goes first addition and subtraction 

Either one, the order matters.

200

-1/2 + -2/5 

-9/10

200

Put 3,568 into expanded form


3000 + 500 + 60 + 8

300

4 1/2 - 9 3/4            

-5 1/4

300

89 X 4(8+2)= ?

3560

400

-2/3 + 2/5

-4/15

400

94 X 3 / 2 (6 + 8) = ?

1974

500

2/7 - (-3/4)

29/28 or 1 1/28

500

710 X 4 X 4 (8 X 7) / 5 

127232

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