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Title: Splash Screen


1
Splash Screen
2
Chapter Menu
Divide by One-Digit Numbers
15
  • Lesson 15-1 Divide Multiples of 10, 100, and
    1,000
  • Lesson 15-2 Estimate Quotients
  • Lesson 15-3 Two-Digit Quotients
  • Lesson 15-4 Problem-Solving Strategy Work
    Backwards
  • Lesson 15-5 Three-Digit Quotients
  • Lesson 15-6 Problem-Solving Investigation
    Choose the Best Strategy
  • Lesson 15-7 Divide Money

3
Lesson 1 Menu
Five-Minute Check (over Chapter 14) Main
Idea California Standards Example 1 Use Models
to Divide Example 2 Divide Multiples Example 3
Divide Multiples
4
Lesson 1 MI/Vocab
  • I will learn to divide multiples of 10, 100, and
    1,000.

5
Lesson 1 Standard 1
Standard 3NS2.5 Solve division problems in which
a multi-digit number is evenly divided by a
one-digit number (135 5 ___ ).
6
Lesson 1 Ex1
Find 600 3.
Step 1 Show 600 as 60 tens.
7
Lesson 1 Ex1
Step 2 Divide the 60 tens into 3 equal groups.
200
200
200
Answer 600 3 200
8
Lesson 1 CYP1
Find 800 2.
  1. 250
  2. 400
  3. 300
  4. 500

9
Lesson 1 Ex2
The stadium has 1,800 seats divided equally into
6 sections. How many seats are in each section?
Find 1,800 6. Use basic facts and patterns.
18 6 3
18 ones 6 3 ones
180 6 30
18 tens 6 3 tens
1,800 6 300
18 hundreds 6 3 hundreds
Answer So, there are 300 seats in each section.
10
Lesson 1 CYP2
A class split up into 3 teams and had a bake sale
which made 600. How much did each team earn if
the money was split evenly between the teams?
  1. 200
  2. 300
  3. 150
  4. 100

11
Lesson 1 Ex3
How many seats are in each section if 4,200 seats
are divided equally into 7 sections?
Find 4,200 7.
42 7 6
Use the basic fact.
420 7 60
Use the pattern of zeros.
4,200 7 600
Answer So, there are 600 seats in each section.
12
Lesson 1 CYP3
Find 2,500 5.
  1. 350
  2. 400
  3. 500
  4. 600

13
End of Lesson 1
14
Lesson 2 Menu
Five-Minute Check (over Lesson 15-1) Main
Idea California Standards Example 1 Estimate by
Rounding Example 2 Real-World Example
15
Lesson 2 MI/Vocab
  • I will estimate quotients.

16
Lesson 2 Standard 1
Standard 3NS2.5 Solve division problems in which
a multi-digit number is evenly divided by a
one-digit number (135 5 ___ ).
Standard 3MR2.1 Use estimation to verify the
reasonableness of calculated results.
17
Lesson 2 Ex1
There are 238 children in the school. If there
are 8 classrooms, about how many students are
there in each class?
Step 1 Round 238 to the nearest ten that has a
basic fact you can use.
18
Lesson 2 Ex1
Step 2 Write the basic fact you will use to
divide.
24 8 3
Step 3 Use the basic fact and patterns to divide.
24 8 3
240 8 30
Answer So, 238 8 is about 30. About 30
students are in each class.
19
Lesson 2 CYP1
A community center wants to break up its 103
members into teams of 5 for a basketball
tournament. About how many teams will the
tournament have?
  1. about 20 teams
  2. about 30 teams
  3. about 15 teams
  4. about 25 teams

20
Lesson 2 Ex2
A theater sold 1,113 tickets for 4 shows. About
how many tickets were sold for each show?
Step 1 Round 1,113 to the nearest hundred that
has a basic fact you can use.
21
Lesson 2 Ex2
Step 2 Write the basic fact you will use to
divide.
12 4 3
Step 3 Use the basic fact and patterns to divide.
12 4 3
1,200 4 300
Answer So, 1,113 4 is about 300. About 300
tickets were sold for each show.
22
Lesson 2 CYP2
A fundraiser generated 1,212 from 6 local
churches. About how much money did each church
give to the fundraiser?
  1. about 100
  2. about 200
  3. about 250
  4. about 300

23
End of Lesson 2
24
Lesson 3 Menu
Five-Minute Check (over Lesson 15-2) Main
Idea California Standards Example 1 Real-World
Example Example 2 Real-World Example
Division
25
Lesson 3 MI/Vocab
  • I will divide a two-digit number by a one-digit
    number.

26
Lesson 3 Standard 1
Standard 3NS2.5 Solve division problems in which
a multi-digit number is evenly divided by a
one-digit number (135 5 ___ ).
Standard 3NS2.3 Use the inverse
relationship of multiplication and division to
compute and check results.
27
Lesson 3 Ex1
A total of 95 students signed up for basketball.
How many 5-person teams will there be?
Step 1 Model 95. Show 5 groups.
5
95
28
Lesson 3 Ex1
Step 2 Divide the tens.
1
5
4
29
Lesson 3 Ex1
Step 3 Regroup and divide the ones.
9
5
45
0
30
Lesson 3 CYP1
A total of 200 kids signed on for after-school
softball. If there are 10 players to a team, how
many teams will be formed?
  1. 25 teams
  2. 21 teams
  3. 20 teams
  4. 30 teams

31
Lesson 3 Ex2
Rami wants to read an 84-page book in 6 days. How
many pages should he read per day?
Find 84 6.
Step 1 Decide if there are enough tens to divide.
8 gt 6 There are enough tens.
6
84
32
Lesson 3 Ex2
Step 2 Divide the tens.
Divide 8 tens by 6 groups.
1
Write 1 in the tens place.
Multiply. 1 6 tens 6 tens
6

Subtract 6 tens from 8 tens.
2
Compare. 2 lt 6
33
Lesson 3 Ex2
Step 3 Divide the ones.
Divide 24 ones by 6 groups.
4
Write 4 in the ones place.
4
Multiply. 4 6 ones 24 ones
24

Subtract 24 ones from 24 ones
0
Compare. 0 lt 6
Answer So, Rami should read 14 pages each day.
34
Lesson 3 Ex2
Check Multiply the quotient by the divisor.
2
14
6
4
8
The answer is correct.
35
Lesson 3 CYP2
Shelley makes 5 a day babysitting. She wants to
buy an outfit that costs 65. How many days will
Shelley have to baby-sit to earn enough money to
buy the outfit?
  1. 13 days
  2. 15 days
  3. 17 days
  4. 12 days

36
End of Lesson 3
37
Lesson 4 Menu
Five-Minute Check (over Lesson 15-3) Main
Idea California Standards Example 1
Problem-Solving Strategy
38
Lesson 4 MI/Vocab
  • I will work backward to solve problems.

39
Lesson 4 Standard 1
Standard 3MR1.2 Determine when and how to break a
problem into simpler parts.
Standard 3NS2.1 Solve division problems
in which a multi-digit number is evenly divided
by a one-digit number (135 5 ___ ).
40
Lesson 4 Ex1
Frannie put some money in the bank to start a
savings account. Last month she put in enough
money to double that amount. Today, she put in
more money and the total amount doubled, again.
Now she has 20. How much money did Frannie
start with?
41
Lesson 4 Ex1
Understand
What facts do you know?
  • The money doubled two times.
  • The total amount at the end is 20.

What do you need to find?
  • The amount of money Frannie started with.

42
Lesson 4 Ex1
Plan
Work backward from what you know, 20, to find
the amount Frannie started with.
43
Lesson 4 Ex1
Solve
Start with 20.
20
Find the number that was doubled.
Half of 20 is 10
10
Since the amount was doubled two times, find half
of 10.
Half of 10 is 5
Answer So, the amount of money Frannie started
with was 5.
5
44
Lesson 4 Ex1
Check
Look back at the problem. When you double 5, the
result is 5 2 or 10. When you double 10, the
result is 10 2 or 20.
So, the answer is correct.
45
End of Lesson 4
46
Lesson 5 Menu
Five-Minute Check (over Lesson 15-4) Main
Idea California Standards Example 1 Real-World
Example Example 2 Real-World Example
47
Lesson 5 MI/Vocab
  • I will divide three-digit numbers by one-digit
    numbers.

48
Lesson 5 Standard 1
Standard 3NS2.5 Solve division problems in which
a multi-digit number is evenly divided by a
one-digit number (135 5 ___ ).
Standard 3NS2.3 Use the inverse
relationship of multiplication and division to
compute and check results.
49
Lesson 5 Ex1
Hugan read a 572-page book in 4 weeks. How many
pages did he read each week?
Find 572 4.
Step 1 Divide the hundreds. 5 gt 4, so there are
enough hundreds.
1
Divide. 5 4
4
572
Multiply. 4 1 4
4

Subtract. 5 4 1
1
Compare. 1 lt 4
50
Lesson 5 Ex1
Step 2 Regroup. Regroup the remaining 1 hundred
as 10 tens. Bring down the 7 tens.
7
51
Lesson 5 Ex1
Step 3 Divide the tens. Regroup the remaining
ten as 10 ones. Bring down the ones.
4
Divide. 17 4
Multiply. 4 4 16
16

Subtract. 17 16 1
1
2
Compare. 1 lt 4
52
Lesson 5 Ex1
Step 4 Divide the ones.
3
Divide. 12 4 3
Multiply. 4 3 12

12
Subtract. 12 12 0
0
Compare. 0 lt 4
Answer So, Hugan read 143 pages each week.
53
Lesson 5 CYP1
A group of 500 people will be split into 4
groups. How many people will be in each group?
  1. 150 people
  2. 130 people
  3. 120 people
  4. 125 people

54
Lesson 5 Ex2
Akina is putting 115 books on 5 shelves. How many
books will go on each shelf?
Find 115 5.
55
Lesson 5 Ex2
Step 1 Divide the hundreds.
There are not enough hundreds to divide. Regroup
the 1 hundred as 10 tens.
5
115
11 gt 5 Place the first digit in the tens place.
56
Lesson 5 Ex2
Step 2 Divide the tens.
Divide. 11 5 2
2
Multiply. 5 2 10
Subtract. 11 10 1
10

Compare. 1 lt 5
1
57
Lesson 5 Ex2
Step 3 Divide the ones.
3
Bring down the ones.
Divide. 15 5 3
5
Multiply. 5 3 15
15

Subtract. 15 15 0
0
Compare. 0 lt 5
Answer So, Akina put 23 books on each shelf.
58
Lesson 5 Ex2
Check Multiply to check.
1
23
5
5
11
The answer is correct.
59
Lesson 5 CYP2
Tony wants to buy a mountain bike that costs
450. If he plans to buy it in 3 months, how much
money will Tony have to save each month?
  1. 175
  2. 100
  3. 150
  4. 130

60
End of Lesson 5
61
Lesson 6 Menu
Five-Minute Check (over Lesson 15-5) Main Idea
California Standards Example 1 Problem-Solving
Investigation
62
Lesson 6 MI/Vocab
  • I will choose the best strategy to solve a
    problem.

63
Lesson 6 Standard 1
Standard 3MR1.1 Analyze problems by identifying
relationships, distinguishing relevant from
irrelevant information, sequencing and
prioritizing information, and observing patterns.
64
Lesson 6 Standard 2
Standard 3NS2.5 Solve division problems in which
a multi-digit number is evenly divided by a
one-digit number (135 5 ___ ).
65
Lesson 6 Ex1
MING A community pool is in the shape of a
circle. It measures 80 feet
across. A square fence is going to be placed
around the pool. YOUR MISSION Find if 340 feet
of fencing is enough to go around the pool.
66
Lesson 6 Ex1
Understand
What facts do you know?
  • The pool is a circle.
  • It measures 80 feet across.
  • A square fence will be put around the pool.
  • You have 340 feet of fencing.

67
Lesson 6 Ex1
Understand
What do you need to find?
  • You need to know if 340 feet of fencing is enough.

68
Lesson 6 Ex1
Plan
Divide 340 by 4 to find the length of each side
of the fence. Use make a drawing strategy to
compare the length of the fence to the pool.
69
Lesson 6 Ex1
Solve
70
Lesson 6 Ex1
Solve
340 feet of fence is enough to make a square that
is 85 feet on each side. 80 feet is smaller than
85 feet.
Answer So, 340 feet of fencing is enough to go
around the pool.
71
Lesson 6 Ex1
Check
Look back at the problem. Check the answer by
multiplying.
85 4 340
So, the answer is correct.
72
End of Lesson 6
73
Lesson 7 Menu
Five-Minute Check (over Lesson 15-6) Main
Idea California Standards Example 1 Real-World
Example Example 2 Quotients Less Than
1.00 Example 3 Find Unit Cost
74
Lesson 7 MI/Vocab
  • I will divide amounts of money.

75
Lesson 7 Standard 1
Standard 3NS3.3 Solve problems
involving addition, subtraction, multiplication,
and division of money amounts in decimal notation
and multiply and divide money amounts in decimal
notation by using whole-number multipliers and
divisors.
76
Lesson 7 Standard 2
Standard 3NS2.7 Determine the unit cost when
given the total cost and number of units.
77
Lesson 7 Ex1
Brian and 3 friends earned 9.68 for washing
cars. How much will each boy receive after they
share the money equally?
Find 9.68 4.
78
Lesson 7 Ex1
Step 1 Divide the dollars.
2
Divide. 9 4
4
9.68
Multiply. 4 2 dollars
8

Subtract. 9 8 1
1
Compare. 1 lt 4
79
Lesson 7 Ex1
Step 2 Divide the dimes.
4
Divide. 16 4
6
Multiply. 4 4 dimes
1 6

Subtract. 16 16 0
0
Compare. 0 lt 4
80
Lesson 7 Ex1
Step 3 Divide the pennies.
Place the decimal point and dollar sign directly
above.
2
Divide. 8 4 2
8
Multiply. 4 2 pennies
8

Subtract. 8 8 0
0
Compare. 0 lt 4
Answer So, each boy will receive 2.42.
81
Lesson 7 Ex1
Check for Reasonableness
2.42 is close to the estimate of 2.50.
So, the answer is reasonable.
Since 2.42 4 9.68, the answer is correct.
82
Lesson 7 CYP1
Angie and 3 friends pay 25 for tickets to see a
movie. How much did each of them pay for a movie
ticket?
  1. 6.25
  2. 5.25
  3. 7.25
  4. 5.50

83
Lesson 7 Ex2
Divide 4.35 5.
Step 1 Decide if there are enough dollars to
divide.
4 lt 5 There are not enough.
5
4.35
84
Lesson 7 Ex2
Step 2 Divide the dollars as 40 dimes.
8
4 0

3
5
85
Lesson 7 Ex2
Step 3 Divide the pennies.
Add the dollar sign and decimal point. Add a zero
to show 0 dollars.
7

35
0
Answer So, 4.35 5 0.87.
86
Lesson 7 Ex2
Check for Reasonableness
The estimate 0.80 is close to 0.87. So, the
answer is correct.
87
Lesson 7 CYP2
Find 3.80 4.
  1. 0.87
  2. 0.95
  3. 0.75
  4. 0.89

88
Lesson 7 Ex3
Freda paid 6.84 for 6 bags of marbles. How much
did each bag cost?
Find the unit cost. Divide 6.84 6.
89
Lesson 7 Ex3
1.
1
4
6
6.84
Check
6

0
8
6

2
4
24

0
So, the answer is correct.
Answer So, 6.84 6 1.14. Each bag costs
1.14.
90
Lesson 7 CYP3
Chris paid 7.25 for 5 gallons of fruit punch.
How much did Chris pay for each gallon of fruit
punch?
  1. 1.85
  2. 1.75
  3. 1.55
  4. 1.45

91
End of Lesson 7
92
CR Menu
Divide by One-Digit Numbers
15
Five-Minute Checks Math Tool Chest Image Bank
Division
93
IB Instructions
To use the images that are on the following four
slides in your own presentation 1. Exit this
presentation. 2. Open a chapter presentation
using a full installation of Microsoft
PowerPoint in editing mode and scroll to the
Image Bank slides. 3. Select an image, copy it,
and paste it into your presentation.
94
IB 1
95
IB 2
96
IB 3
97
IB 4
98
5Min Menu
Divide by One-Digit Numbers
15
Lesson 15-1 (over Chapter 14) Lesson 15-2 (over
Lesson 15-1) Lesson 15-3 (over Lesson
15-2) Lesson 15-4 (over Lesson 15-3) Lesson
15-5 (over Lesson 15-4) Lesson 15-6 (over Lesson
15-5) Lesson 15-7 (over Lesson 15-6)
99
5Min 1-1
(over Chapter 14)
Multiply.
3.24 7
  1. 21.68
  2. 4.48
  3. 6.68
  4. 22.68

100
5Min 1-2
(over Chapter 14)
Multiply.
8 9.51
  1. 76.08
  2. 79.06
  3. 74.56
  4. 72.08

101
5Min 1-3
(over Chapter 14)
At Doras diner, burgers are 3.13 and drinks are
1.29. How much are 3 burgers and 1 drink?
  1. 10.24
  2. 10.68
  3. 8.60
  4. 6.60

102
5Min 1-4
(over Chapter 14)
At Doras diner, burgers are 3.13 and drinks are
1.29. What is the cost of 2 burgers and 2 drinks?
  1. 8.84
  2. 6.68
  3. 4.60
  4. 5.60

103
5Min 2-1
(over Lesson 15-1)
Divide. Use patterns.
320 8
  1. 60
  2. 18
  3. 32
  4. 40

104
5Min 2-2
(over Lesson 15-1)
Divide. Use patterns.
4,500 5
  1. 220
  2. 90
  3. 900
  4. 22

105
5Min 2-3
(over Lesson 15-1)
Divide. Use patterns.
720 9
  1. 80
  2. 36
  3. 32
  4. 322

106
5Min 2-4
(over Lesson 15-1)
There are 6 boxes and 240 crayons. How many
crayons are in each box?
  1. 40 crayons
  2. 32 crayons
  3. 30 crayons
  4. 42 crayons

107
5Min 3-1
(over Lesson 15-2)
Estimate by rounding.
269 3
  1. 270 3 90
  2. 260 3 90
  3. 290 3 97
  4. 240 3 80

108
5Min 3-2
(over Lesson 15-2)
Estimate by rounding.
4,179 7
  1. 4,100 7 600
  2. 4,200 7 600
  3. 4,200 7 700
  4. 4,900 7 700

109
5Min 3-3
(over Lesson 15-2)
Estimate by rounding.
61 6
  1. 60 6 12
  2. 61 6 11
  3. 60 6 10
  4. 68 6 8

110
5Min 3-4
(over Lesson 15-2)
Estimate by rounding.
390 5
  1. 400 5 80
  2. 390 5 88
  3. 400 5 40
  4. 350 5 50

111
5Min 4-1
(over Lesson 15-3)
Divide 68 4. Use models if needed. Check your
answer.
  1. 22
  2. 24
  3. 12
  4. 17

112
5Min 4-2
(over Lesson 15-3)
Divide 48 3. Use models if needed. Check your
answer.
  1. 16
  2. 12
  3. 14
  4. 15

113
5Min 4-3
(over Lesson 15-3)
Divide 91 7. Use models if needed. Check your
answer.
  1. 14
  2. 13
  3. 10
  4. 8

114
5Min 4-4
(over Lesson 15-3)
Jaha has 96 beads for making bracelets. She uses
6 beads for each bracelet. How many bracelets can
she make?
  1. 90 bracelets
  2. 14 bracelets
  3. 16 bracelets
  4. 88 bracelets

115
5Min 5-1
(over Lesson 15-4)
Use the work backward strategy to solve. Julio
is saving money for a new guitar. He doubled his
money last year by babysitting his brother.
Then he tripled that amount by working for his
dad. Now he has 90. How much did he start with?
  1. 22
  2. 14
  3. 24
  4. 15

116
5Min 6-1
(over Lesson 15-5)
Divide 745 5. Check your answer.
  1. 155
  2. 135
  3. 322
  4. 149

117
5Min 6-2
(over Lesson 15-5)
Divide 288 6. Check your answers.
  1. 48
  2. 24
  3. 34
  4. 84

118
5Min 6-3
(over Lesson 15-5)
Divide 824 2. Check your answers.
  1. 411
  2. 128
  3. 244
  4. 412

119
5Min 6-4
(over Lesson 15-5)
There is a total of 784 pencils. There are 7
pencils in each box. How many boxes of pencils
are there?
  1. 110 boxes
  2. 144 boxes
  3. 112 boxes
  4. 122 boxes

120
5Min 7-1
(over Lesson 15-6)
Choose any strategy to solve the problem. Tia
sold 9 baskets at the flea market for 138. She
sold some baskets for 12 and some for 18 each.
How many of each basket did she sell?
  1. five 12 baskets and five 18 baskets
  2. four 12 baskets and five 18 baskets
  3. three 12 baskets and seven 18 baskets
  4. four 12 baskets and four 18 baskets

121
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