Multiplying & Dividing Rational Numbers

• She should have added 36 and 3 before multiplying because PEMDAS does not matter.

• When she multiplied 3 x (-5), she should have gotten -15 instead of 15.

• The answer should be negative because 36-15 is -21.

Tags

CCSS.7.EE.B.3

• -16 + (-6) = -22

• 16 + (-6) = 10

• -8 + (-6) = -14

• -16 + 6 = -10

Tags

CCSS.7.NS.A.3

• 6 + 8 = 14

• 6 - 8 = -2

• 9 + 8 = 17

• 9 - 8 = 1

Tags

CCSS.7.EE.B.3

• Step 3 is incorrect; the answer should be 31.

• There is no error; all steps are correct.

Tags

CCSS.7.EE.B.3

The production at a local manufacturing company decreased by 70 units over a 5-year period. What is the average yearly drop in production?

• dropping 14 units each year

• adding 14 units each year

• dropping 35 units each year

• adding 35 units each year

Tags

CCSS.7.EE.B.3

• 10

• -10

• 24

• -24

Tags

CCSS.7.NS.A.2C

• Positive

• Negative

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

• -64

• 64

• -16

• 16

Tags

CCSS.6.EE.A.1

Determine which of the following expressions has an answer of -30.

There are TWO correct answers!

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Suppose the temperature outside is dropping ¼ of a degree every (each) hour. How much will the temperature drop after 8 ½ hours? SIMPLIFY your answer.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C