Proportions Cross Product

Solve.

• y = 8

• y = 1/8

• y = 40

Solve the proportion:

• 25

• 20

• 49

• 4

Tags

CCSS.7.RP.A.2B

Solve the proportion:

• n=6

• n=24

• n=7

• n=8

Tags

CCSS.7.RP.A.2B

• 1
• 4
• 2.5
• 10

Solve.

• 3

• 15

• 20

• 10

Tags

CCSS.7.RP.A.2B

Solve.

• 4

• 3

• 1

• 2

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• 42

• 6

• 2

• 28

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Tags

CCSS.7.RP.A.2B

When determining whether Proportions are Equal, we need to do which of the following?

• addition

• multiplying straight accross

• dividing

• cross multiplication

Proportions are equal when...

• when the ratio is different

• when the cross products are equal

• when the numerators and denominators are equal straight across

• None of the above

Tags

CCSS.7.RP.A.2A