Adding Improper Fractions

Adding Improper Fractions

LO: Students will add and subtract improper fractions and mixed numbers.

DOL: Given 2 questions, SWBAT add and subtract mixed numbers and improper fractions.

How did we do before?

(4.3.E) Represent and solve addition and subtraction of fractions with equal denominators using objects and pictorial models that build to the number line and properties of operations. [2] (Readiness)

PREVIEW CHALLENGE

Mr. Mata ordered two pizzas for his class. He ate 3/8 of one pizza. How much pizza was left over for the students?

Improper fraction

Fraction that has a numerator larger than the denominator.

 $\ \ \ \frac{4}{3}$  

Mixed number - a fraction combined with a whole number.  It represents more than one whole.

A whole number is written on the left, fraction is on the right.

 $1\frac{1}{3}$  

I DO

A baker is making a cake. He puts in 1 and 1/4 cup of flour and he puts 3/4 cup of sugar, and 2/4 cups of milk. How much cake batter does he have.

USE YOUR STRATEGIES ! ! !

• Draw your quadrant

• Collect your data

• Write your solution sentece

• Create models by using multiplication facts.

• ALWAYS LABEL YOUR MODEL ! ! !

• Solve using equation.

• Check by comparing model to equation

WE DO

On Saturday, Mr. Aponte ran 4/5 of a mile. On Sunday, he ran 3/5 of a mile. How far does he run over the weekend?

Write your answer as an improper fraction.

Multiple Choice

On Saturday, Mr. Aponte ran 4/5 of a mile. On Sunday, he ran 3/5 of a mile. How far does he run over the weekend?

Write your answer as an improper fraction.

• $\frac{7}{10}$

• $\frac{1}{5}$

• $\frac{1}{10}$

• $\frac{7}{5}$

YOU DO

Derrion needs 4 pieces of wood to make a picture frame. Each piece of wood must be 1/3 yard long. How much wood does he need to make the frame?

Multiple Choice

Derrion needs 4 pieces of wood to make a picture frame. Each piece of wood must be 1/3 yard long. How much wood does he need to make the frame?

• $\frac{3}{4}$
  

• $\frac{1}{3}$
  

• $\frac{4}{3}$

• $\frac{4}{1}$
  

Multiple Choice

Mr. Mata ordered TWO pizzas for his class. He ate  $\frac{2}{8}$   of one pizza. How much pizza was left over for the students?

Write your answer as an improper fraction.

•  $\frac{6}{8}$ 

• $\frac{8}{8}$

•  $\frac{14}{8}$ 

•  $\frac{14}{16}$ 

Multiple Choice

DOL

Robert is making birdhouses to sell at the state fair. So far he has completed  $5\ \frac{1}{2}$   birdhouses. What improper fraction represents  $5\ \frac{1}{2}$  

• $\frac{10}{3}$

• $\frac{6}{2}$
  

• $\frac{5}{3}$

• $\frac{11}{2}$

Ms. James uses 3 and 1/4 cups of oatmeal to make cookies. What is this fraction written as an improper fraction?

Multiple Choice

DOL

Ms. James uses 3 and 1/4 cups of oatmeal to make cookies. What is this fraction written as an improper fraction?

• $\frac{13}{4}$

• $\frac{12}{5}$

• $\frac{4}{4}$

• $\frac{31}{4}$

Mr. Mata bought 2 pizzas for 4C and 2 pizzas for 4D. Each class at had 5/8 of one pizza remaining. How much pizza was left over from both classes?

Multiple Choice

Mr. Mata bought 2 pizzas for 4C and 2 pizzas for 4D. Each class at had 5/8 of one pizza remaining. How much pizza was left over from both classes?

• $\frac{5}{8}$

• $\frac{8}{8}$

• $\frac{10}{8}$

• $\frac{22}{8}$