Splash Screen

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Splash Screen
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Chapter Menu
Multiplication Concepts and Facts
4

• Lesson 4-1 Multiplication as Repeated Addition
• Lesson 4-2 Arrays and Multiplication
• Lesson 4-3 Multiply by 2
• Lesson 4-4 Multiply by 4
• Lesson 4-5 Problem-Solving Skill Extra or
  Missing Information
• Lesson 4-6 Multiply by 5
• Lesson 4-7 Multiply by 10
• Lesson 4-8 Problem-Solving Investigation Choose
  a Strategy
• Lesson 4-9 Multiplying by 0 and 1

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Lesson 1 Menu
Five-Minute Check (over Chapter 3) Main Idea and
Vocabulary California Standards Example 1 Example
2
Meaning of Multiplication
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Lesson 1 MI/Vocab

• I will relate multiplication and addition.

• multiply
• factor
• product

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Lesson 1 Standard 1
Standard 3NS2.2 Memorize to
automaticity the multiplication table for numbers
between 1 and 10.
Standard 3MR2.3 Use a variety of methods, such as
words, numbers, symbols, charts, graphs, tables,
diagrams, and models, to explain mathematical
reasoning.
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Lesson 1 Ex1
For Alejos party, his mother made 7 cupcakes.
There were 3 walnuts on top of each cupcake. How
many walnuts were there in all?
Find how many are in 7 equal groups of 3.
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Lesson 1 Ex1
One Way Counters
There are 7 groups. There are 3 counters in each
group. This is a total of 21 counters.
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Lesson 1 Ex1
Another Way Repeated Addition
There are 7 groups. There are 3 counters in each
group. This is a total of 21 counters. Write an
addition sentence to show equal groups.
3 3 3 3 3 3 3 21
Answer So, 7 equal groups of 3 are 21. There
were 21 walnuts in all.
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Lesson 1 CYP1
Jamie made ants on a log for snack. She had 6
pieces of celery and put 4 raisins on each piece.
How many raisins in all?

1. 24
2. 18
3. 10
4. 16

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Lesson 1 Ex2
Mongo drew 6 pentagons. A pentagon has 5 sides.
How many sides did he draw?
Find how many are in 6 equal groups of 5.
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Lesson 1 Ex2
One Way Repeated Addition
5 5 5 5 5 5 30
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Lesson 1 Ex2
Another Way Multiplication Sentence


Answer So, there is a total of 30 sides.
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Lesson 1 CYP2
Pam drew 5 octagons. An octagon has 8 sides. How
many sides did she draw?

1. 35
2. 45
3. 40
4. 13

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End of Lesson 1
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Lesson 2 Menu
Five-Minute Check (over Lesson 4-1) Main Idea and
Vocabulary California Standards Key Concept
Commutative Property Example 1 Example 2 Example
3
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Lesson 2 MI/Vocab

• I will use arrays to multiply.

• array
• Commutative Property of Multiplication

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Lesson 2 Standard 1
Standard 3AF1.5 Recognize and use the Commutative
and Associative Properties of Multiplication
(e.g., if 5 7 35, then what is 7 5? and if
5 7 3 105, then what is 7 3 5?).
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Lesson 2 Key Concept 1
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Lesson 2 Ex1
Sues mom made cereal bars for her class. She
arranged them in 3 rows of 7. How many cereal
bars did she make?
To find the total number of cereal bars, you can
use addition or multiplication.
One Way Add
Another Way Multiply
7 7 7 21
3 7 21
Answer So, 3 equal groups of 7 cereal bars is
21 in all.
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Lesson 2 CYP1
Jennys sister made brownies for her scout troop.
She arranged them in 4 rows of 8. How many
brownies did she make?

1. 12
2. 24
3. 36
4. 32

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Lesson 2 Ex2
Donato bought a carton of eggs that had 3 rows of
6 eggs. How many eggs were in the carton?
To find the total number in the array of eggs,
you can write a multiplication sentence.
3 6 18
Answer So, 3 rows of 6 eggs is 18.
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Lesson 2 CYP2
Anne Marie bought a box of chocolates. They were
in 3 rows of 4. How many chocolates were in the
box?

1. 7
2. 12
3. 14
4. 15

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Lesson 2 Ex3
In The Jam Shop, Mrs. Hessle arranged jars of jam
in 8 rows with 4 jars in each row. She then
decided she could display more jars of jam if she
arranged 4 rows with 8 in each row. Was Mrs.
Hessle correct? Explain.
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Lesson 2 Ex3


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Lesson 2 Ex3


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Lesson 2 CYP3
In the candle shop, Mr. Montoya arranged the
candles in 7 rows with 3 jars in each row.
Choose another way he could display them to show
the same amount of candles.

1. 2 rows of 12
2. 4 rows of 5
3. 3 rows of 7
4. 5 rows of 5

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End of Lesson 2
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Lesson 3 Menu
Five-Minute Check (over Lesson 4-2) Main
Idea California Standards Example 1 Example 2
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Lesson 3 MI/Vocab

• I will multiply by 2.

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Lesson 3 Standard
Standard 3NS2.2 Memorize to
automaticity the multiplication table for numbers
between 1 and 10.
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Lesson 3 Ex1
The students in Ms. Denniss class work in 2
groups of 6. How many students are there in all?
You need to find 2 groups of 6 or 2 6.
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Lesson 3 Ex1
One Way Draw a Picture
Draw 2 groups of 6.
6 6 or 12
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Lesson 3 Ex1
Another Way Use an Array
Show an array with 2 rows and 6 columns.
2 rows of 6 6 6 or 12.
Answer So there are 2 6 or 12 students in all.
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Lesson 3 CYP1
There were 4 teams of 9 in the soccer tournament.
How many players were there in all?

1. 36
2. 32
3. 18
4. 27

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Lesson 3 Ex2
Mr. Murphy drove 2 miles round trip to work every
day. How many miles did he drive in a five-day
work week?
There are 5 days. Each day he drives 2 miles. To
find how many miles he drives altogether, find 2
5.
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Lesson 3 Ex2
Count 2 jumps of 5.
Answer So, Mr. Murphy drives 2 5, or 10 miles
in a work-week.
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Lesson 3 CYP2
Mrs. Ankrum drove 6 miles round trip to school
every day. How many miles did she drive in a
4-day work week?

1. 10 miles
2. 12 miles
3. 18 miles
4. 24 miles

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End of Lesson 3
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Lesson 4 Menu
Five-Minute Check (over Lesson 4-3) Main
Idea California Standards Example 1 Example
2 Example 3
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Lesson 4 MI/Vocab

• I will multiply by 4.

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Lesson 4 Standard 1
Standard 3NS2.2 Memorize to
automaticity the multiplication table for numbers
between 1 and 10.
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Lesson 4 Ex1
There were 6 cars in the parking lot. How many
tires were on the 6 cars?
You need to find 6 groups of 4 or 6 4.
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Lesson 4 Ex1
One Way Repeated Addition
Use repeated addition to find 6 4.
4 4 4 4 4 4 24
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Lesson 4 Ex1
Another Way Skip Count
Count 6 jumps of 4.
Answer So, there are 6 4 or 24 wheels in all.
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Lesson 4 CYP1
There were 7 minivans in the school parking lot.
How many tires were on the 7 minivans?

1. 49 tires
2. 28 tires
3. 30 tires
4. 35 tires

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Lesson 4 Ex2
There are 4 tomatoes on each tomato plant in
Chees garden. There are 7 plants. How many
tomatoes are there in all?


Answer So, there are 28 tomatoes.
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Lesson 4 CYP2
There are 6 cows in each field on Marios farm.
There are 5 fields. How many cows in all?

1. 30 cows
2. 36 cows
3. 35 cows
4. 40 cows

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Lesson 4 Ex3
Apples are packed in a box in 4 rows. Each row
has 9 apples. How many apples are in the box?
You need to find 4 9.
4 is double of 2. So, 4 9 is double 2 9.
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Lesson 4 Ex3
4 9 2 9 2 9
18 18 36
Answer So, 4 9 36. There are 36 apples in
the box.
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Lesson 4 CYP3
Pineapples are packed in a carton in 6 rows. Each
row has 6 pineapples. How many pineapples are in
the carton?

1. 12 pineapples
2. 16 pineapples
3. 35 pineapples
4. 36 pineapples

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End of Lesson 4
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Lesson 5 Menu
Five-Minute Check (over Lesson 4-4) Main
Idea California Standards Example 1
Problem-Solving Skill
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Lesson 5 MI/Vocab

• I will decide if there is extra or missing
  information.

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Lesson 5 Standard 1
Standard 3MR1.1 Analyze problems by identifying
relationships, distinguishing relevant from
irrelevant information, sequencing and
prioritizing information, and observing patterns.
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Lesson 5 Standard 2
Standard 3NS2.2 Memorize to
automaticity the multiplication table for numbers
between 1 and 10.
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Lesson 5 Ex1
My schools hayride will start at 600 P.M.
There are 4 wagons that hold 9 children each.
Half of the children going are girls. What is
the total number of children that can ride on the
4 wagons?
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Lesson 5 Ex1
Understand
What facts do you know?

• The hayride starts at 600 P.M.
• There are 4 wagons that hold 9 children.
• Half of the children are girls.

What do you need to find?

• Find the number of children that can ride on the
  4 wagons.

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Lesson 5 Ex1
Plan
Decide what facts are important to solve the
question.

• the number of wagons
• the number of children each wagon holds

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Lesson 5 Ex1
Solve
To find the total number, multiply the number of
wagons by the number of children each wagon holds.
4 9 36
Answer So, 36 children can ride on the hay
wagons.
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Lesson 5 Ex1
Check
Look back at the problem. Since 9 9 9 9
36, you know the answer is correct.
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End of Lesson 5
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Lesson 6 Menu
Five-Minute Check (over Lesson 4-5) Main Idea
California Standards Example 1 Example 2 Example
3
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Lesson 6 MI/Vocab

• I will multiply by 5.

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Lesson 6 Standard 1
Standard 3NS2.2 Memorize to
automaticity the multiplication table for numbers
between 1 and 10.
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Lesson 6 Ex1
A farmer has a pumpkin patch with 8 rows. Each
row has 5 pumpkins. How many pumpkins does the
farmer have?
You need to find 8 5.
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Lesson 6 Ex1
One Way Draw a picture.
Use repeated addition to multiply.
5 5 5 5 5 5 5 5 40
So, 8 5 40 pumpkins.
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Lesson 6 Ex1
Another Way Use an array.
8 rows of 5 8 5 or 40
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Lesson 6 CYP1
Laurie has a set of curlers that has 4 rows. Each
row has 7 curlers. How many curlers does Laurie
have?

1. 28 curlers
2. 30 curlers
3. 11 curlers
4. 35 curlers

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Lesson 6 Ex2
There are 4 bracelets with 5 beads on each
bracelet. How many beads in all?
You need to find 4 groups of 5 or 4 5.
Answer So, 4 5 20 beads.
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Lesson 6 CYP2
There are 3 necklaces with 8 charms on each
necklace. How many charms in all?

1. 25 charms
2. 16 charms
3. 24 charms
4. 11 charms

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Lesson 6 Ex3
Lila has 9 nickels. How much money does she have?
You know that a nickel is 5. Use a
multiplication sentence to find 9 5.


Answer So, Lila has 45.
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Lesson 6 CYP3
Joy has 8 nickels. How much money does she have?

1. 45 cents
2. 40 cents
3. 38 cents
4. 58 cents

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End of Lesson 6
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Lesson 7 Menu
Five-Minute Check (over Lesson 4-6) Main
Idea California Standards Example 1 Example
2 Example 3
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Lesson 7 MI/Vocab

• I will multiply by 10.

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Lesson 7 Standard 1
Standard 3NS2.2 Memorize to
automaticity the multiplication table for numbers
between 1 and 10.
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Lesson 7 Ex1
Yago and his two sisters made their hand prints
on a poster. How many fingers were on the poster?
Find 10 3.
Count 3 jumps of 10.
Answer So, 10 3 30 fingers.
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Lesson 7 CYP1
Joe and his friend made their foot prints on the
sidewalk. How many toes were on the sidewalk?

1. 20 toes
2. 30 toes
3. 10 toes
4. 15 toes

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Lesson 7 Ex2
Roberto found 7 dimes in his pocket. How much
money did he find?
You need to find 7 10.
10 is the double of 5. So, 7 10 is double 7
5.
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Lesson 7 Ex2
7 10 7 5 7 5
35 35
70
Answer So, 7 10 70.
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Lesson 7 CYP2
Gus found a bag with 8 dimes in it. How much
money did he find?

1. 8 cents
2. 80 cents
3. 800 cents
4. 18 cents

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Lesson 7 Ex3
Pam sold 5 tickets for the school play. Each
ticket cost 10. How much money did Pam receive
for the tickets?
To solve the problem, you need to multiply 5 by
10.
5 10 50
Answer So, Pam received 50 for the tickets.
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Lesson 7 Ex3
Check
The model shows that 5 10 50.
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Lesson 7 CYP3
Conchita bought 6 boxes of clay from the art
supply store for 10 each. How much money did
she spend?

1. 16
2. 50
3. 60
4. 40

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End of Lesson 7
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Lesson 8 Menu
Five-Minute Check (over Lesson 4-7) Main
Idea California Standards Example 1
Problem-Solving Investigation
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Lesson 8 MI/Vocab

• I will choose the best strategy to solve a
  problem.

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Lesson 8 Standard 1
Standard 3MR1.1 Analyze problems by identifying
relationships, distinguishing relevant from
irrelevant information, sequencing and
prioritizing information, and observing patterns.
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Lesson 8 Standard 2
Standard 3NS2.2 Memorize to
automaticity the multiplication table for numbers
between 1 and 10.
90
Lesson 8 Ex1
DENZELL Our third grade class will make 6
holiday baskets to give away. We will fill each
basket with 10 food items. YOUR MISSION Find
out how many items are needed to fill the food
baskets.
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Lesson 8 Ex1
Understand
What facts do you know?

• You know the class will make 6 baskets.
• You also know they will fill each one with 10
  items.

What do you need to find?

• You need to find out the total number of food
  items needed.

92
Lesson 8 Ex1
Plan
You can use the draw a picture strategy to solve
this math problem.
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Lesson 8 Ex1
Solve
You can draw a picture of 6 baskets. Then, draw
10 Xs in each basket to represent each food item.
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Lesson 8 Ex1
Solve
The picture shows that 6 10 60. So, the third
grade class needs 60 food items to fill the
baskets.
95
Lesson 8 Ex1
Check
Look back at the problem. Check by using repeated
addition 10 10 10 10 10 10. The answer
is 60, so you know your answer is correct and
reasonable.
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End of Lesson 8
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Lesson 9 Menu
Five-Minute Check (over Lesson 4-8) Main Idea and
Vocabulary California Standards Key Concept
Multiplication Properties Example 1
98
Lesson 9 MI/Vocab

• I will multiply by 0 and 1.

• Zero Property of Multiplication
• Identity Property of Multiplication

99
Lesson 9 Standard 1
Standard 3NS2.6 Understand the special properties
of 0 and 1 in multiplication and division.
100
Lesson 9 Key Concept 1
101
Lesson 9 Ex1
Find 8 1. Tell what property you used.
8 1 8
Answer The product is 8. Identity Property of
Multiplication.
102
Lesson 9 CYP1
Find 9 1. Which property did you use?

1. 9 Identity Property of Multiplication
2. 10 Associative Property
3. 10 Identity Property of Multiplication
4. 9 Associative Property

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End of Lesson 9
104
CR Menu
Five-Minute Checks
Meaning of Multiplication
105
5Min Menu
Lesson 4-1 (over Chapter 3) Lesson 4-2 (over
Lesson 4-1) Lesson 4-3 (over Lesson 4-2) Lesson
4-4 (over Lesson 4-3) Lesson 4-5 (over Lesson
4-4) Lesson 4-6 (over Lesson 4-5) Lesson
4-7 (over Lesson 4-6) Lesson 4-8 (over Lesson
4-7) Lesson 4-9 (over Lesson 4-8)
106
5Min 1-1
(over Chapter 3)
Use or to make the number sentence true.

107
5Min 1-2
(over Chapter 3)
Use or to make the number sentence true.

108
5Min 1-3
(over Chapter 3)
Use or to make the number sentence true.

109
5Min 1-4
(over Chapter 3)
Use or to make the number sentence true.

110
5Min 2-1
(over Lesson 4-1)
Multiply. Use repeated addition.
5 3

1. 10
2. 25
3. 20
4. 15

111
5Min 2-2
(over Lesson 4-1)
Multiply. Use repeated addition.
3 5

1. 15
2. 10
3. 25
4. 30

112
5Min 2-3
(over Lesson 4-1)
Multiply. Use repeated addition.
4 6

1. 16
2. 24
3. 10
4. 12

113
5Min 2-4
(over Lesson 4-1)
Multiply. Use repeated addition.
6 4

1. 24
2. 10
3. 12
4. 26

114
5Min 2-5
(over Lesson 4-1)
Multiply. Use repeated addition.
4 4

1. 8
2. 12
3. 16
4. 1

115
5Min 3-1
(over Lesson 4-2)
ALGEBRA Use the Commutative Property of
Multiplication to find the missing number.
6 2 12

1. 6
2. 4
3. 12
4. 2

116
5Min 3-2
(over Lesson 4-2)
ALGEBRA Use the Commutative Property
ofMultiplication to find the missing number.
3 7 21

1. 3
2. 4
3. 21
4. 7

117
5Min 3-3
(over Lesson 4-2)
ALGEBRA Use the Commutative Property
ofMultiplication to find the missing number.
4 5 20

1. 4
2. 5
3. 20
4. 9

118
5Min 4-1
(over Lesson 4-3)
Multiply 2 5.

1. 10
2. 20
3. 7
4. 12

119
5Min 4-2
(over Lesson 4-3)
Multiply 8 2.

1. 16
2. 10
3. 18
4. 6

120
5Min 4-3
(over Lesson 4-3)
Multiply 2 7.

1. 16
2. 5
3. 14
4. 12

121
5Min 4-4
(over Lesson 4-3)
Multiply 9 2.

1. 11
2. 13
3. 18
4. 20

122
5Min 5-1
(over Lesson 4-4)
Multiply 4 5.

1. 9
2. 1
3. 19
4. 20

123
5Min 5-2
(over Lesson 4-4)
Multiply 8 4.

1. 32
2. 12
3. 24
4. 42

124
5Min 5-3
(over Lesson 4-4)
Multiply 7 4.

1. 24
2. 11
3. 21
4. 28

125
5Min 5-4
(over Lesson 4-4)
Multiply 4 6.

1. 10
2. 24
3. 12
4. 28

126
5Min 6-1
(over Lesson 4-5)
Solve. If there is missing information, tell
whatfacts you need to solve the problem. Kari is
12 years old. Her brother is 3 years older and is
52 inches tall. How old is Karis brother?

1. 15
2. 9
3. You need to know how tall Kari is.
4. 32

127
5Min 6-2
(over Lesson 4-5)
Solve. If there is missing information, tell
whatfacts you need to solve the problem. Filipe
spent 23 at the store. How much change did he
receive?

1. 21
2. None
3. 3
4. You need to know how much money he gave to the
   clerk.

128
5Min 7-1
(over Lesson 4-6)
Multiply 5 9.

1. 14
2. 24
3. 45
4. 4

129
5Min 7-2
(over Lesson 4-6)
Multiply 3 5.

1. 2
2. 13
3. 15
4. 8

130
5Min 7-3
(over Lesson 4-6)
Multiply 6 5.

1. 30
2. 11
3. 13
4. 9

131
5Min 7-4
(over Lesson 4-6)
Multiply 5 8.

1. 40
2. 13
3. 44
4. 38

132
5Min 8-1
(over Lesson 4-7)
Multiply 3 10.

1. 13
2. 30
3. 7
4. 300

133
5Min 8-2
(over Lesson 4-7)
Multiply 8 10.

1. 18
2. 80
3. 2
4. 88

134
5Min 8-3
(over Lesson 4-7)
Multiply 10 0.

1. 0
2. 10
3. 100
4. 1

135
5Min 8-4
(over Lesson 4-7)
Multiply 10 2.

1. 20
2. 12
3. 10
4. 200

136
5Min 8-5
(over Lesson 4-7)
Multiply 9 10.

1. 9
2. 19
3. 0
4. 90

137
5Min 9-1
(over Lesson 4-8)
Use any strategy to solve. Tell what strategyyou
used. Marion bought 4 lbs of apples at 2 a
pound, 2 lbs of tomatoes at 3 a pound, and
lettuce at 1.50. How much change did she receive
from a 20 bill?

1. .50
2. 1.00
3. 4.00
4. 4.50

138
End of Custom Shows
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