Multiplying + Dividing Rational Numbers

Is the product
–8 • (–3) positive or negative?

• negative
• positive
• both
• neither

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

To multiply fractions you multiply

• top times top and bottom times bottom.

• you cross multiply.

• you keep it, change it, flip it.

Tags

CCSS.5.NF.B.6

To divide fractions you

• divided top by top and bottom by bottom.

• cross divide.

• keep it, change it, flip it.

Tags

CCSS.6.NS.A.1

Tags

CCSS.7.NS.A.2A

Solve the problem, Don't forget to use LCF, simplify

• 7/5

• 5/7

• -81/35

• -5/7

Tags

CCSS.7.NS.A.2B

Solve the problem , DO NOT use LCF, simplify

• -2/6

• -1/3

• -3

• 1/3

Tags

CCSS.7.NS.A.2A

Change to improper fractions then multiply

• -24/12

• -66/78

• -143/36

Tags

CCSS.7.NS.A.2A

Multiply DO NOT use LCF, simplify

• 9/60

• 54/10

• 3/20

Tags

CCSS.7.NS.A.2A

Use LCF , then Multiply

• -5/18

• -15/6

• -1/3

Tags

CCSS.7.NS.A.2B

Change to improper fractions, Use LCF, then multiply

• 50/39

• 39/50

• 130/15

Tags

CCSS.7.NS.A.2A