Solving Proportions Unknown

Two ratios that are equal are called

• problems

• fractions

• proportions

Tags

CCSS.7.RP.A.2A

When solving a proportion the first step is

• divide

• write a word label

• solve for the variable

Tags

CCSS.6.EE.B.7

What would the proportion look like for the following example? 12 girls have brown eyes and 10 girls have blue eyes.If 72 girls have brown eyes, how many have blue eyes?

Tags

CCSS.7.RP.A.2C

• 5

• 15

• 4

Tags

CCSS.7.RP.A.2B

What is it called when you are solving for an unknown factor in a proportion?

• Cross Adding

• Cross Subtracting

• Cross Multiplying

• Cross Dividing

Tags

CCSS.7.RP.A.2B

Are the following proportions equivalent?

9 : 12 = 27 : 36

• Yes

• No

Tags

CCSS.6.RP.A.3A

What is the first step when solving proportions ??

• Divide by coefficient

• Butterfly (cross multiply)

Tags

CCSS.7.EE.B.3

To find the unknown measurement what proportion should you set up?

What is another way to set up the proportion to find the unknown measurement?

Which topic is covered in the video 'Solving proportions 2'?

• Equivalent ratio word problems

• Rates with fractions

• Solving proportions

• Writing proportions

Tags

CCSS.7.EE.B.3