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Splash Screen
Chapter 5 Adding and Subtracting Fractions Click
the mouse or press the space bar to continue.
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Chapter Menu
Adding and Subtracting Fractions
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• Lesson 5-1 Rounding Fractions and Mixed Numbers
• Lesson 5-2 Estimating Sums and Differences
• Lesson 5-3 Adding and Subtracting Fractions with
  Like Denominators
• Lesson 5-4 Problem-Solving Strategy Act It Out
• Lesson 5-5 Adding and Subtracting Fractions with
  Unlike Denominators
• Lesson 5-6 Problem-Solving Investigation Choose
  the Best Strategy
• Lesson 5-7 Adding and Subtracting Mixed Numbers
• Lesson 5-8 Subtracting Mixed Numbers with
  Renaming

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Lesson 1 Menu
Five-Minute Check (over Chapter 4) Main Idea and
Vocabulary California Standards Key Concept
Rounding to the Nearest Half Example 1 Round to
the Nearest Half Example 2 Round to the Nearest
Half Example 3 Measure to the Nearest
Half Example 4 Real-World Example
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Lesson 1 MI/Vocab

• I will round fractions and mixed numbers.

• mixed number

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Lesson 1 Standard 1
Standard 5MR2.5 Indicate the relative advantages
of exact and approximate solutions to problems
and give answers to a specified degree of
accuracy.
Standard 5NS1.1 Estimate, round, and manipulate
very large (e.g., millions) and very small (e.g.
thousandths) numbers.
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Lesson 1 Key Concept 1
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Lesson 1 Ex1
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Lesson 1 Ex1
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Lesson 1 CYP1

1. 4

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Lesson 1 Ex2
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Lesson 1 Ex2
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Lesson 1 CYP2

1. 5

1. 6

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Lesson 1 Ex3
Find the length of the line segment to the
nearest half inch.
Answer To the nearest half inch, the line
segment is 1 in. long.
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Lesson 1 CYP3
Find the length of the line segment to the
nearest half inch.

1. 1 in.

1. 2 in.

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Lesson 1 Ex4
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Lesson 1 CYP4

1. 6 yards

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End of Lesson 1
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Lesson 2 Menu
Five-Minute Check (over Lesson 5-1) Main
Idea California Standards Example 1 Fraction
Sums Example 2 Fraction Differences Example 3
Mixed Number Sums Example 4 Mixed Number
Differences Example 5 Real-World Example
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Lesson 2 MI/Vocab

• I will estimate sums and differences of fractions
  and mixed numbers.

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Lesson 2 Standard 1
Standard 5MR2.5 Indicate the relative advantages
of exact and approximate solutions to problems
and give answers to a specified degree of
accuracy.
Standard 5NS1.1 Estimate, round, and manipulate
very large (e.g., millions) and very small (e.g.
thousandths) numbers.
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Lesson 2 Ex1
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Lesson 2 CYP1
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Lesson 2 Ex2
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Lesson 2 CYP2

1. 1

1. 2

1. 0

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Lesson 2 Ex3
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Lesson 2 CYP3

1. 9

1. 10

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Lesson 2 Ex4
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Lesson 2 CYP4

1. 7

1. 6

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Lesson 2 Ex5
The electrician wants to make sure she has enough
wire for the job, so she rounds up.
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Lesson 2 Ex5
Estimate 4 2 6
Answer So, the electrician needs about 6 feet
of wire.
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Lesson 2 CYP5

1. 19 feet

1. 18 feet

1. 20 feet

1. 17 feet

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End of Lesson 2
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Lesson 3 Menu
Five-Minute Check (over Lesson 5-2) Main Idea and
Vocabulary California Standards Key Concept Add
Like Fractions Key Concept Subtract Like
Fractions Click here to continue the Lesson Menu
Adding and Subtracting Fractions with Like
Denominators
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Lesson 3 Menu
Example 1 Add Like Fractions Example 2 Subtract
Like Fractions Example 3 Real-World Example
Adding and Subtracting Fractions with Like
Denominators
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Lesson 3 MI/Vocab

• I will add and subtract fractions with like
  denominators.

• like fractions

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Lesson 3 Standard 1
Standard 5NS2.3 Solve simple problems,
including ones arising in concrete situations,
involving the addition and subtraction of
fractions and mixed numbers (like and unlike
denominators of 20 or less), and express answers
in the simplest form.
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Lesson 3 Key Concept
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Lesson 3 Key Concept
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Lesson 3 Ex1
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Lesson 3 Ex1
Add the numerators.


Simplify.


Write as a mixed number.
Check for Reasonableness
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Lesson 3 CYP1

1. 1

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Lesson 3 Ex2
Subtract the numerators.


Simplify.

or
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Lesson 3 CYP2
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Lesson 3 Ex3
Subtract the numerators.


Simplify.

or
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Lesson 3 CYP2

1. 1 yard

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End of Lesson 3
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Lesson 4 Menu
Five-Minute Check (over Lesson 5-3) Main
Idea California Standards Example 1
Problem-Solving Strategy
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Lesson 4 MI/Vocab

• I will solve problems by acting them out.

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Lesson 4 Standard 1
Standard 5MR2.3 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 4 Standard 1
Standard 5NS2.3 Solve simple problems,
including ones arising in concrete situations,
involving the addition and subtraction of
fractions and mixed numbers.
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Lesson 4 Ex 1
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Lesson 4 Ex1
Understand
What facts do you know?

• Each project uses the same amount of paper.

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Lesson 4 Ex1
Understand
What do you need to find?

• Does Jacqui have enough craft paper for four more
  art projects?

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Lesson 4 Ex1
Plan
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Lesson 4 Ex1
Solve
Answer There is not enough paper for 4
additional projects.
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Lesson 4 Ex1
Check
Look back. You can estimate.
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End of Lesson 4
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Lesson 5 Menu
Five-Minute Check (over Lesson 5-4) Main Idea and
Vocabulary California Standards Key Concept Add
or Subtract Unlike Fractions Click here to
continue the Lesson Menu
Common Denominators
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Lesson 5 Menu
Example 1 Add Unlike Fractions Example 2
Subtract Unlike Fractions Example 3 Real-World
Example Example 4 Evaluate an Expression with
Fractions
Common Denominators
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Lesson 5 MI/Vocab

• I will add and subtract fractions with unlike
  denominators.

• unlike fractions

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Lesson 5 Standard 1
Standard 5NS2.3 Solve simple problems,
including ones arising in concrete situations,
involving the addition and subtraction of
fractions and mixed numbers (like and unlike
denominators of 20 or less), and express answers
in the simplest form.
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Lesson 5 Key Concept
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Lesson 5 Ex1
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Lesson 5 Ex1
One Way Use a model.
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Lesson 5 Ex1
Another Way Use the LCD.
Write the problem.
Rename using the LCD, 14.
Add the fractions.




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Lesson 5 Ex1
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Lesson 5 CYP1
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Lesson 5 Ex2
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Lesson 5 Ex2
One Way Use a model.
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Lesson 5 Ex2
Another Way Use the LCD.
Write the problem.
Rename using the LCD, 15.
Subtract the fractions.




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Lesson 5 Ex2
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Lesson 5 CYP2
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Lesson 5 Ex3
Use the table to find the fraction of adopted
dogs in one town that are either golden
retrievers or mixed breed.
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Lesson 5 Ex3
Write the problem.
Rename using the LCD, 30.
Add the fractions.
1 3

10 3
7 1





30 1
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Lesson 5 Ex3
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Lesson 5 CYP3

1. 9 pounds

1. 10 pounds

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Lesson 5 Ex4
a c




Simplify.


Subtract the numerators.

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Lesson 5 Ex4
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Lesson 5 CYP4
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End of Lesson 5
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Lesson 6 Menu
Five-Minute Check (over Lesson 5-5) Main
Idea California Standards Example 1
Problem-Solving Investigation
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Lesson 6 MI/Vocab/Standard 1

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

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Lesson 6 Standard 1
Standard 5MR2.3 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 6 Standard 1
Standard 5NS2.3 Solve simple problems,
including ones arising in concrete situations,
involving the addition and subtraction of
fractions and mixed numbers (like and unlike
denominators of 20 or less), and express answers
in the simplest form.
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Lesson 6 Ex1
STACY My teacher asked me to find the average
monthly precipitation for Redding, California. I
found a chart that shows the averages during
certain months.
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Lesson 6 Ex1
YOUR MISSION Find the difference between the
average precipitation for the month with the
greatest average and the month with the lowest
average.
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Lesson 6 Ex1
Understand
What facts do you know?

• You know the precipitation averages for 3 months.

What do you need to find?

• You need to find the difference between the
  average precipitation for the month with the
  greatest average and the month with the lowest
  average.

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Lesson 6 Ex1
Plan
You can use logical reasoning to solve the
problem.
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Lesson 6 Ex1
Solve
Rewrite each fraction using the LCD, 20.
Order the fractions from least to greatest.
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Lesson 6 Ex1
Solve
Subtract the lowest average from the greatest
average.
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Lesson 6 Ex1
Check
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End of Lesson 6
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Lesson 7 Menu
Five-Minute Check (over Lesson 5-6) Main
Idea California Standards Key Concept Add and
Subtract Mixed Numbers Example 1 Subtract Mixed
Numbers Example 2 Add Mixed Numbers Example 3
Real-World Example Example 4 Evaluate an
Expression Example 5 Evaluate an Expression
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Lesson 7 MI/Vocab

• I will add and subtract mixed numbers.

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Lesson 7 Standard 1
Standard 5NS2.3 Solve simple problems,
including ones arising in concrete situations,
involving the addition and subtraction of
fractions and mixed numbers (like and unlike
denominators of 20 or less), and express answers
in the simplest form.
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Lesson 7 Key Concept
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Lesson 7 Ex1
Estimate 6 3 3
Subtract the fractions.
Subtract the whole numbers.

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Lesson 7 Ex1
Check for Reasonableness
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Lesson 7 CYP1
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Lesson 7 Ex2
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Lesson 7 Ex2
Write the problem.
Rename the fractions using the LCD, 15.
Add the fractions. Then add the whole numbers.



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Lesson 7 Ex2
Check for Reasonableness
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Lesson 7 CYP2

1. 7

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Lesson 7 Ex3
First, use the LCD to rename the fractions. Then
add.
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Lesson 7 CYP3
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Lesson 7 Ex4
e f


Rename.


Subtract.

Simplify.

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Lesson 7 CYP4
108
Lesson 7 Ex5
g h




Rename.

Add.


6

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Lesson 7 Ex5
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Lesson 7 CYP5
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End of Lesson 7
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Lesson 8 Menu
Five-Minute Check (over Lesson 5-7) Main
Idea California Standards Example 1 Rename Mixed
Numbers to Subtract Example 2 Rename Mixed
Numbers to Subtract Example 3 Real-World Example
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Lesson 8 MI/Vocab

• I will subtract mixed numbers involving renaming.

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Lesson 8 Standard 1
Standard 5NS2.3 Solve simple problems,
including ones arising in concrete situations,
involving the addition and subtraction of
fractions and mixed numbers (like and unlike
denominators of 20 or less), and express answers
in the simplest form.
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Lesson 8 Standard 1
Standard 5MR2.1 Use estimation to verify the
reasonableness of calculated results.
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Lesson 8 Ex1


Subtract.
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Lesson 8 Ex1
Check for Reasonableness
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Lesson 8 CYP1
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Lesson 8 Ex2
Step 1


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Lesson 8 Ex2
Step 2


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Lesson 8 CYP2
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Lesson 8 Ex3



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Lesson 8 CYP3
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End of Lesson 8
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CR Menu
Adding and Subtracting Fractions
5
Five-Minute Checks Math Tool Chest Image Bank
Adding and Subtracting Fractions with Like
Denominators Common Denominators
126
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.
127
IB 1
128
IB 2
129
IB 3
130
IB 4
131
5Min Menu
Adding and Subtracting Fractions
5
Lesson 5-1 (over Chapter 4) Lesson 5-2 (over
Lesson 5-1) Lesson 5-3 (over Lesson 5-2) Lesson
5-4 (over Lesson 5-3) Lesson 5-5 (over Lesson
5-4) Lesson 5-6 (over Lesson 5-5) Lesson
5-7 (over Lesson 5-6) Lesson 5-8 (over Lesson 5-7)
132
5Min 1-1
(over Chapter 4)
Graph the point on a coordinate plane.
(3, 2)
A. A
B. B
C. C
D. D
133
5Min 1-2
(over Chapter 4)
Graph the point on a coordinate plane.
(0, 2)
A. A
B. B
C. C
D. D
134
5Min 1-3
(over Chapter 4)
Graph the point on a coordinate plane.
A. A
B. B
C. C
D. D
135
5Min 1-4
(over Chapter 4)
Graph the point on a coordinate plane.
A. A
B. B
C. C
D. D
136
5Min 2-1
(over Lesson 5-1)
B. 1
D. 2
137
5Min 2-2
(over Lesson 5-1)
C. 1
D. 4
138
5Min 2-3
(over Lesson 5-1)

1. 7

B. 6
D. 1
139
5Min 2-4
(over Lesson 5-1)

1. 5

C. 4
D. 1
140
5Min 3-1
(over Lesson 5-2)

1. 1

D. 2
141
5Min 3-2
(over Lesson 5-2)
B. 1
D. 0
142
5Min 3-3
(over Lesson 5-2)

1. 6

C. 8
D. 7
143
5Min 3-4
(over Lesson 5-2)

1. 4

C. 3
D. 2
144
5Min 4-1
(over Lesson 5-3)
145
5Min 4-2
(over Lesson 5-3)
146
5Min 4-3
(over Lesson 5-3)
D. 4
147
5Min 4-4
(over Lesson 5-3)
148
5Min 5-1
(over Lesson 5-4)
Use the act it out strategy to solve this
problem. Ramla is taller than Alkas but shorter
than Calvino. Rita is the tallest of the group.
Seki is the shortest of the group. Order the
students in the group from shortest to tallest.

1. Rita, Calvino, Ramla, Alkas, Seki
2. Seki, Calvino, Alkas, Ramla, Rita
3. Seki, Alkas, Ramla, Calvino, Rita
4. Seki, Calvino, Ramla, Alkas, Rita

149
5Min 6-1
(over Lesson 5-5)
150
5Min 6-2
(over Lesson 5-5)
151
5Min 6-3
(over Lesson 5-5)
152
5Min 6-4
(over Lesson 5-5)
153
5Min 7-1
(over Lesson 5-6)
D. 2 yd
154
5Min 8-1
(over Lesson 5-7)
155
5Min 8-2
(over Lesson 5-7)
156
5Min 8-3
(over Lesson 5-7)
157
5Min 8-4
(over Lesson 5-7)
A. 4
158
End of Custom Shows
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