Intro to fractions B (multiplying)

What is the DENOMINATOR in the fraction 8/10?

• 8

• 2

• 4

• 10

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the NUMERATOR in the fraction 1/3?

• 1

• 3

• 2

• 4

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What fraction of these flowers are YELLOW?

• 3/3

• 2/6

• 3/6

• 1/6

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What fraction of the stars are RED?

• 4/10

• 4/6

• 4/4

• 6/10

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What fraction is red?

• 1/4
• 2/4
• 3/4
• 4/4

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

Which of the following statements summarizes multiplying fractions?

• Multiply the Tops and Multiply the Bottoms.

• Cross Simplify

• Find a common denominator, then multiply

• Multiply the numerators and keep the common denominator

Tags

CCSS.5.NF.B.6

When multiplying a fraction times a whole number, how do you convert the whole number to a fraction?  For Example:

 $\frac{3}{5}\times4$ 

• put the 4 in front of the 3/5

• put the 4 over a 1:     $\frac{4}{1}$  

• put the 4 under a 1:  $\frac{1}{4}$  

• change the 4 to a common denominator

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

When multiplying fractions, you must always have common denominators.

• True

• False

Tags

CCSS.5.NF.B.6

Which of the following is an improper fraction?

• $\frac{4}{7}$

• $\frac{9}{2}$

• $5\frac{3}{4}$

• 4.85

Tags

CCSS.3.NF.A.3C

When multiplying mixed numbers, first, you must . . . . . 

example:   $5\frac{2}{3}\times4\frac{1}{2}$  

• multiply the whole numbers times each other (5x4)

• add the whole numbers (5+4)

• Change the mixed numbers to improper fractions $\frac{17}{3}\times\frac{9}{2}$  (MAPO)

• Find common denominators

Tags

CCSS.5.NF.B.6