Unit 3 Fraction Review Lesson

Unit 3 Fraction Review Lesson

by David Letchinger

​We covered

• ​Adding Fractions with unlike denominators

• ​Subtracting Fractions unlike denominators

• ​Adding & Subtracting mixed numbers

• ​Subtracting with borrowing

• ​Bench Marks

Let's start with the basics

Adding Fractions

Multiple Choice

$$\frac{3}{4}+\frac{4}{5}$$  

• $$\frac{7}{9}$$  

• $$\frac{12}{20}$$  

• $$1\ \frac{11}{20}$$  

• $$1\ \frac{9}{20}$$  

Subtracting Fractions

you got this

Multiple Choice

$$\frac{7}{9}-\frac{3}{4}$$  

• $$\frac{1}{36}$$  

• $$\frac{21}{36}$$  

• $$\frac{4}{36}$$  

• 16

Multiple Choice

$$4\ \frac{1}{4}-1\ \frac{2}{3}$$  

• $$\frac{4}{5}$$  

• $$2\ \frac{7}{12}$$  

• 2

• $$\frac{14}{15}$$  

Multiple Choice

John had $$3\ \frac{7}{8}$$   pizzas. He and his friend ate $$2\ \frac{1}{5}$$  pizzas. Use benchmarks to estimate the amount of pizza left.

• 4-2=2

• 4-3=1

• 3-2=1

• 3-1=2

Poll

How do we feel

• Amazing!

• Good, but need my cheat sheet

• I need more review

• I will be coming in a recess to get extra help