Unit 3 Review - Operations with Positive Fractions & Decimals

when you multiply by a fraction less than 1

• the quantity will remain the same

• the quantity will increase

• the quantity will decrease

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.5

when you multiply by a fraction greater than 1

• the quantity will remain the same

• the quantity will increase

• the quantity will decrease

Tags

CCSS.5.NF.B.5

when you multiply by a fraction equal to 1

• the quantity will remain the same

• the quantity will increase

• the quantity will decrease

Tags

CCSS.4.NF.A.1

reciprocal

• a number made up of a whole number and a fraction

• a fraction flipped over; switch numerator and denominator

• a fraction whose numerator is larger than the denominator

Mixed Number

• a number made up of a whole number and a fraction

• a fraction flipped over; switch numerator and denominator

• a fraction whose numerator is larger than the denominator

Tags

CCSS.4.NF.B.3

Improper Fraction

• a number made up of a whole number and a fraction

• a fraction flipped over; switch numerator and denominator

• a fraction whose numerator is larger than the denominator

Tags

CCSS.4.NF.B.3

How to multiply fractions

• find a common denominator and multiply the numerator by the reciprocal

• keep the first fraction; change division to multiplication, flip the second fraction

• multiply numerators, multiply denominators, simplify

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.5

How to divide fractions

• find a common denominator and multiply the numerator by the reciprocal

• keep the first fraction; change division to multiplication, flip the second fraction

• multiply numerators, multiply denominators, simplify

Which expression is equivalent to $\frac{7}{8}\div\frac{4}{5}$  

•  $\frac{7}{5}\times\frac{8}{4}$  

•  $\frac{7}{8}\times\frac{5}{4}$  

•  $\frac{8}{7}\times\frac{4}{5}$  

•  $\frac{8}{7}\times\frac{5}{4}$  

Which of the following is equivalent to  $\frac{17}{13}$  ?

• 
• 
•  $\frac{13}{17}$  

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

CCSS.6.NS.A.1