Solving Proportions in Algebra 1

What is a proportion in mathematical terms?

• A method for dividing numbers

• An equation stating two ratios are equal

• A type of mathematical operation

• A formula for calculating area

Tags

CCSS.7.RP.A.2A

Why can't the denominators in a proportion be zero?

• It makes the proportion easier to solve

• It turns the proportion into a whole number

• It simplifies the proportion

• It makes the proportion undefined

Tags

CCSS.6.EE.B.7

What is the result of 12 times 7 in the multiplication property example?

• 94

• 84

• 74

• 64

Tags

CCSS.3.OA.B.5

What does cross multiplying help to solve in proportions?

• Equality of ratios

• Division equations

• Addition equations

• Subtraction equations

What is the result of 3 times 12 in the cross products example?

• 34

• 33

• 36

• 35

Tags

CCSS.6.RP.A.3B

In the multi-step proportion, what is the value of B after solving?

• -37

• -47

• 47

• 37

Tags

CCSS.8.EE.C.7B

Why is unit consistency important in setting up proportions?

• It changes the proportion's value

• It is not important

• It simplifies the math

• It ensures accuracy in calculations

Tags

CCSS.7.RP.A.3

What is the correct setup for a proportion comparing miles and hours?

• Miles over hours equals hours over miles

• Miles over hours equals miles over hours

• Miles over miles equals hours over hours

• Hours over miles equals miles over hours

Tags

CCSS.7.RP.A.2A

How many songs can the iPod Touch hold if the Nano holds 500 songs with 2 gigabytes?

• 500 songs

• 5000 songs

• 2000 songs

• 20000 songs

Tags

CCSS.6.RP.A.3B

What mathematical property is used to solve the proportion in the device storage example?

• Division property

• Cross multiplication

• Subtraction property

• Addition property

Tags

CCSS.6.EE.B.7