4.04 MATH Mr.Usen

3rd Grade Mathematics

April 4, 2024

4

Do Now

LO: SWBAT represent and solve one and two-step

problems involving multiplication and division within 100.

DOL: SW represent and solve one and two-step problems
involving multiplication and division within 100 correctly on

4 out of 5 questions.

TEKS 3.4(K) solve one‐step and two‐step problems involving multiplication and division within 100 using strategies based on objects; pictorial
models, including arrays, area models, and equal groups; properties of operations; or recall of facts ®

TEKS 3.5(B) represent and solve one‐ and two‐step multiplication and division problems within 100 using arrays, strip diagrams, and equations ®

6

Vocabulary Venn Diagram

Sort the words into the venn diagram as it relates to the operation.

Words

Area Model
Quotient
Product
Equal Groups
Array
Dividend
Factors
Divisor

Multiplication

Division

7

Lesson Vocabulary

Factor

Product

Array

Area Model

4 x 3 = 12

4 x 3 = 12

Equal Groups

Dividend

Divisor

Quotient

12 ÷ 4 = 3

12 ÷ 4 = 3

12 ÷ 4 = 3

GET Strategy for Multiplication & Division

G: number of Groups
E: number of items in Each group
T: Total number of items

Multiplication

Division

G xE =T

T ÷ G = E

Ex G=T

T ÷E = G

Kevin grows vegetables in a community garden. He has 32
vegetable plants and wants to place 4 plants in each row.

Draw a strip diagram to determine the number of rows of
vegetables Jose can plant.

Let's represent. I DO

WE DO

Jose grows vegetables in a community garden. He has 32 vegetable plants and
wants to place 4 plants in each row.

Which equation can be used to find how many rows of vegetables Jose can
plant? Draw a strip diagram to determine the number of rows of vegetables
Jose can plant.

A.
32 + 4 = 36

B.
32 x 4 =128

C.
32 - 4 = 28

D.
32 ÷ 4 = 8

Coach Jordan separate 42 students in his PE class into 6 equal teams.

Which model can be used to find the number of students in each
team?

Let's represent. YOU DO

42

42

42

42

42

42

?

?

?

?

?

?

?

42

8

?

42

A.

B.

C.

D.

8

42

?

Victoria baked some cookies.

●

She has 5 boxes with 12 cookies in each box.

●

She gave 15 cookies to her friends.

Draw a strip diagram to determine the number of cookies
Victoria has left.

Let's represent. I DO

Victoria baked some cookies.

●She has 5 boxes with 12 cookies in each box.

●She gave 15 cookies to her friends.

Which number sentence can be used to find the number of cookies Victoria
has left? Draw a strip diagram to determine the number of cookies Victoria
has left.

F.

12 + 5 + 15 =

G.

12 x 5 - 15 =

H.

12 x 5 + 15 =

J.

12 + 5 - 15 =

Let's represent. WE DO

Victoria baked some cookies.

●

She has 5 boxes with 12 cookies in each box.

●

She gave 15 cookies to her friends.

How many cookies are left?

Record your answer in the space provided.

Let's solve. YOU DO

Let's practice.

Mrs. Lewis had 4 trays of cookies. Each tray had 14 cookies. She
sold 18 of these cookies.

How many cookies did Mrs. Lewis have left?

Record your answer in the space provided.

I DO

Let's practice.

There are two different types of cookies at a bakery.

●There are 7 trays that have 14 sugar cookies on each tray.

●There are 87 chocolate chip cookies.

How many sugar cookies and chocolate chip cookies are there at this
bakery?

A.

101

B.

108

C.

165

D.

185

WE DO

SW represent and solve one and two-step problems involving
multiplication and division within 100 correctly on 4 out of 5 questions.

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