Multiplying Fractions

When multiplying fractions, what do we do with the numerators?

• Add them.

• Subtract hem.

• Multiply them.

• Divide them.

Tags

CCSS.5.NF.B.6

What do we do with the denominators when we're multiplying fractions?

• Add those fools!

• Subtract those fools!

• Multiply those fools!

• Divide those fools!

Tags

CCSS.5.NF.B.6

What do you do once both the numerators and denominators are multiplied?

• Reduce

• Factor

• Simplify by any common factors.

• Multiply Again.

• Divide

Tags

CCSS.5.NF.B.6

What do you do with the whole number when multiplying it by a fraction?

• Multiply it as is.

• Place the whole number over 1.

• Turn the fraction to a whole number.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

If a recipe makes 10 servings and you're only serving 5 people, what do you do?

(a)  

Answer explanation

Multiply the amounts in the recipe by 1/2.

Tags

CCSS.7.RP.A.3

Which model represents the answer  $\frac{6}{15}$  ?

• 
• 
• 
• 

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

What multiplication problem is being modeled in this picture?

• 3/8 x 1/4
• 1/8 x 3/4
• 3/7 x 1/4
• 1/7 x 3/4

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

1/2 x 3/4 (simplify if needed)

• 3/8
• 3/4
• 4/6
• 3/2

Tags

CCSS.5.NF.B.6

6/11 x 5/6 (simplify if needed)

• 15/33
• 30/66
• 11/17
• 5/11

Tags

CCSS.5.NF.B.6

Find the product.

• 3/50
• 30/5
• 6
• 1  1/5

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C