PHS:7.1 Ratios, Extended Ratios, Proportions & CrossProducts

The cookie jar has six chocolate chip cookies, seven sugar cookies, and five oatmeal cookies. What is the ratio of oatmeal to chocolate chip cookies?

• 6:5

• 5:6

• 6:11

• 6:11

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The cookie jar has six chocolate chip cookies, seven sugar cookies, and five oatmeal cookies. What is the Extended Ratio of sugar to oatmeal to chocolate chip cookies?

• 7 : 6 : 5

• 5 : 6 : 7

• 7 : 5 : 6

• 6 : 7 : 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Donny has a bag of LEGOS. There are 6 yellow, 3 red, and 8 blue LEGOS. What is the ratio of red to yellow LEGOS? (Remember a ratio can also be expresed as a fraction, the answer needs to be reduced to simplest form)

• 1/2

• 6/3

• 2/1

• 3/6

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The cookie jar has six sugar cookies, eight chocolate chip cookies and five oatmeal cookies. What is the extended ratio of sugar to oatmeal to chocolate chip cookies?

• 6 : 5 : 8

• 5 : 6 : 8

• 6 : 8 : 5

• 8 : 6 : 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A triangle’s angle measures are in the extended ratio of 2 : 4 : 9. Find the measures of the angles.

• 20^o, 40^o, 90^o

• 24^o, 48^o, 108^o

• 24^o, 32^o, 124^o

• 20^o, 40^o, 100^o

Tags

CCSS.HSG.CO.C.10

In my fish tank, the ratio of red fish to blue fish is 3:5. If there are 20 blue fish. How many red fish are there?

• 18

• 12

• 4

• 15

A triangle’s angle measures are in the extended ratio of 3 : 4 : 11. Find the measures of the angles.

• 30^o, 40^o, 90^o

• 30^o, 40^o, 110^o

• 10^o, 30^o, 140^o

• 40^o, 40^o, 100^o

Tags

CCSS.8.G.A.5

 $\frac{k}{6}\ =\ \frac{15}{18}$   

What is the cross product? 

• (k)(6) = (15)(18)

• (k)(18) = (6)(15)

• (k)(15) = (6)(18)

Tags

CCSS.7.RP.A.2A

A triangle’s angle measures are in the extended ratio of 1 : 2 : 3. Find the measures of the angles.

• 30^o, 60^o, 90^o

• 10^o, 20^o, 30^o

• 20^o, 40^o, 60^o

• 30^o, 50^o, 90^°

Tags

CCSS.HSG.CO.C.11

Solve the proportion.

 $\frac{\text{k}}{\text{6}}\ =\ \frac{15}{18}$  

• k = 5

• k = 3

• k = 60

• k = 90

Tags

CCSS.7.RP.A.2B