2.4 Multiplying & Dividing Rational Numbers

-2.4(-1.55)

• 1.43

• 3.72

• -1.43

• -3.72

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Find the quotient: 27÷(-9)

• -3

• -18

• 3

• 18

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Find the unknown number: 56 ÷______ = -8

• 12

• -12

• 7

• -7

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Convert to decimal & classify as terminating, non-terminating, repeating or non-repeating: ⅓

• 1.33333333.... terminating, non-repeating

• .33333333.... non-terminating, repeating

• 1.333333.......non-terminating, repeating

• .333333333.....terminating, non-repeating

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Sam says 90 ÷ (–9) = 10. Is he correct? Explain.

• Sam is correct because a positive divided by a negative is a positive.

• Sam is not correct because a positive divided by a negative is a negative.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Jenny has $2.40 deducted from her monthly allowance every time she forgets to do a chore. If she forgets three times in one month, what will be the change in Jenny’s total allowance?

• $7.20

• $5.40

• -$6.40

• -$7.20

Tags

CCSS.7.NS.A.3

• 
• 
• 
• 

Tags

CCSS.6.EE.A.3

CCSS.6.NS.A.1

Multiply. Make sure your final answer is in simplest form. 

• -7/8
• 7/8
• -63/72
• 63/72

Tags

CCSS.7.NS.A.2A

-3 ³/₄ ÷ 5 ¹/₂

Divide. Make sure your final answer is in simplest form.

• ^-11/₂₃
• ^-15/₂₉
• -3/2 
• ^-15/₂₂

Tags

CCSS.7.NS.A.2B

-2¼ × -5

Multiply. Make sure your final answer is in simplest form.

• -10¼   or -41/4
• -11¼   or -45/4
• 11¼  or 45/4
• 10¼

Tags

CCSS.7.NS.A.2A