Lesson: Multiply and Divide Fractions

Presentation

•

Mathematics

•

9th Grade

•

Practice Problem

•

Medium

•

CCSS

5.NF.B.6, 6.NS.A.1, 5.NF.B.5B

Standards-aligned

Christopher Gassler

Used 42+ times

FREE Resource

8 Slides • 8 Questions

Multiple Choice

Do you have your NOTEBOOK OUT?

YES

Multiplying and Dividing Fractions

Objective: Multiply and Divide Fractions

Understanding Multiplying Fractions

When you multiply by a number greater than one it makes the original bigger.

Understanding Multiplying Fractions

When you multiply by a number less than one it makes the original smaller.

Multiple Select

Which products are less than 10?

$10\times\frac{3}{4}$

$10\times\frac{9}{8}$

$10\times4\frac{2}{3}$

$10\times\frac{1}{2}$

$10\times\frac{4}{7}$

How to Multiply Fractions

Simple: Multiply the numerators and multiply the denominators.

Then simplify if needed.

Math Response

$\frac{3}{7}\times\frac{2}{5}=$

Type answer here

Deg^°

Rad

Math Response

$\frac{3}{4}\times12=$

Type answer here

Deg^°

Rad

How to Multiply Mixed Numbers

Rewrite the mixed number as an improper fraction.

Multiply the numerators and multiply the denominators.

Then simplify if needed.

Math Response

$5\frac{1}{4}\times\frac{3}{7}=$

(answer is a mixed number)

Type answer here

Deg^°

Rad

Moving into Dividing Fractions

How to Divide Fractions

FLIP the second fraction (reciprocal)

Multiply the across.

Then simplify if needed.

Math Response

$\frac{3}{4}\div\frac{1}{2}=$

(answer is a mixed number)

Type answer here

Deg^°

Rad

How to Divide Mixed Numbers

Rewrite the whole number as a fraction (put it over 1)

FLIP the second fraction (reciprocal)

Multiply the numerators and multiply the denominators.

Then simplify if needed.

Math Response

$2\frac{1}{3}\div4\frac{3}{8}=$

Type answer here

Deg^°

Rad

Open Ended

Take a PICTURE of your NOTES for this lesson.

(if it is not working, upload the picture to google classroom)

Type response here

Do you have your NOTEBOOK OUT?

YES

Show answer

Auto Play

Slide 1 / 16

MULTIPLE CHOICE

Similar Resources on Wayground

10 questions

Solving a System of Equations using Substitution

Presentation

•

9th Grade

9 questions

Introduction to Linear Functions

Presentation

•

9th Grade

11 questions

Converting Between Linear Forms

Presentation

•

9th Grade

11 questions

8.NS.1, 8.NS.2 Rational/Irrational Numbers

Presentation

•

8th - 9th Grade

11 questions

Classifying Rational Numbers

Presentation

•

8th - 9th Grade

14 questions

Classifying Triangles

Presentation

•

10th Grade

11 questions

Point-Slope Form

Presentation

•

9th Grade

12 questions

ABSOLUTE VALUE TRANSFORMATIONS

Presentation

•

9th Grade

Popular Resources on Wayground

10 questions

Safety Day 2026 – Student Review

Quiz

•

9th Grade

21 questions

Continents and Oceans

Quiz

•

6th Grade

20 questions

Parts of Speech

Quiz

•

5th Grade

16 questions

Subject & Predicate

Quiz

•

5th Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

12 questions

Map Skills

Quiz

•

3rd Grade

22 questions

Continents and Oceans

Quiz

•

5th Grade

15 questions

Rounding Decimals

Quiz

•

5th Grade

Discover more resources for Mathematics

12 questions

Absolute Value Equations

Quiz

•

9th Grade

20 questions

Function or Not a Function

Quiz

•

8th - 9th Grade

11 questions

Slope from 2 points

Quiz

•

8th - 9th Grade

10 questions

Exploring the Basics of Exponents

Interactive video

•

6th - 10th Grade

10 questions

Solving Absolute Value Equations

Quiz

•

9th Grade

18 questions

SB 12.2 Write in point slope form

Quiz

•

9th Grade

12 questions

Identify Rigid Transformations

Quiz

•

8th - 12th Grade

10 questions

Complementary, Supplementary, Vertical, and Linear Pairs

Quiz

•

9th - 12th Grade