Multiply and Divide Fractions and Mixed Numbers with Models

3 ÷ 1/ 4 =

• 12

• 1/12

• 3/4

What multiplication equation represents the area of the shaded green portion of the model?

What's the answer to this equation? 

• 2/25

• 12/25

• 8/25

• 20/25

When multiplying a whole number by a fraction, you should remember to...

• Multiply the top and bottom of the fraction by the whole number.

• Find the lowest common denominator.

• Rewrite the whole number over 1 before you multiply.

Which equation matches the model shown above?

• 2/6 x 1/3 = 1/9

• 1/3 x 1/3 = 1/9

• 2 x 2/3 = 1 1/3

• 1/3 x 3 = 1

Solve. 

• 2/3 people

• 3/5 people

• 15 people

Which of these fractions are equivalent (click all that apply)

If I have a tape diagram showing 3/4, and I cut each fourth into three pieces, what is my new fraction?

Susie is making 4 dozen chocolate chip cookies for her school's bake sale. The recipe, which makes 2 dozen cookies, calls for 1 1/2 cups of flour. How much flour will Susie need to make 4 dozen cookies?

Is the fraction 1/3 equivalent to 4/12?

• Yes

• No