OPENING ACTIVITY Have out the following items:

Spiral Springboard Book Pencil Homework (Page 80 #1-4)

Turn your vocabulary into your class turn-in basket.

Solve the following problems in your spiral.

Page 80, #1-5

1a) 9 3/5

1b) 10 2/3

1c) 57 11/14

1d) 18 11/20

2) Yes, when you use estimation, she only needs about 5 cups.

3) 6 11/20

4a) 2 7/11

4b) 3 3/21

4c) 6 9/16

4d) 6 1/4

Unit 2.3 – Multiplying Fractions and Mixed NumbersOpen your book to page 83

Multiplying Fractions

Multiplying Fractions

He can use ¼ of the each ingredient, or divide the amount of each ingredient by four.

Multiplying Fractions

Multiplying Fractions

Multiplying Fractions

Multiplying Fractions

WRITE THIS DOWN…

1.) Give whole numbers a denominator of 1.2.) Multiply numerator x numerator. Multiply denominator x denominator.

3.) Look to see if your answer can be simplified.4.) Simplify the answer.

YOUR TURN

Improper Fractions & Mixed Numbers

When we added and subtracted fractions, we could leave mixed numbers as mixed numbers.

To multiply, we must change the mixed numbers to improper fractions.

How do we do this?

To change a mixed number to an improper fraction, think

MAD

Improper Fractions & Mixed Numbers

Multiply…Add…Denominator

Improper Fractions & Mixed Numbers

3¼Multiply the

denominator x the whole number

+1Add the

numerator

= 4 x 3 Denominator stays the same

3¼ = 13/4

YOU TRY…

Convert the mixed numbers below to improper fractions.

22 5 35

8

How do you change an improper fraction into a mixed number?

Improper Fractions & Mixed Numbers

Go around the world with division.

11 8

Divide numerator by denominator. Top dog goes in the house.

18 11 -8

3

Whole number

Numerator

Denominator

13 8

Multiplying Mixed Numbers

1.) Convert mixed numbers to improper fractions.2.) Multiply numerator times numerator and denominator times denominator.3.) Simplify your answer.

YOU TRY…

HOMEWORK

Page 86#1-5