SAT Prep: Ratios, Proportions, & Percents

The cookie jar has six chocolate chip 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

Enter the missing numbers to create equivalent ratios. 
1 : 3
6 : 18
2 : _
4 : _

• 4 & 8
• 4 & 12
• 6 & 12
• 6 & 8

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

• 18
• 12
• 4
• 15

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

Solve for x

• x=6
• x =1/6
• x = 7
• x=9

Tags

CCSS.6.EE.B.7

Solve the proportion.

• -3

• -1.5

• 2.1

• 9

Tags

CCSS.7.EE.B.4A

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.7.G.B.5

Simplify the fraction: 12/27

• 9/4
• 27/12
• 4/9
• 1/2

Simplify the fraction: 7/21

• 7/14
• 1/3
• 21/7
• 3/1

Use the table to express the ratio in simplest form: Ash to Maple

• 2/3
• 3/2
• 18/12
• 12/18

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2