Chapter 4
Fractions,
Decimals, and
Percent.
Day…..
1. Converting Measurements
2. Fractions to Decimals
3. Decimals to Fractions
4. Decimals to Percent
5. Percent to Decimals
Day 1
Bell Work
Write each ratio as a part to part, part to whole, and a whole to part.
1. 18 out of 24 students take a music class in middle school.
2. Out of 12 cats, three have stripes.
3. 7 out of 8 flowers are pink.
4. Kristen sold 475 out of 500 boxes of Girl Scout cookies.
5. 6 out of 30 students get an A in Mrs. E’s class.
Justify your Response
Vocabulary
• Proportion -
an equation that shows two ratios are equivalent.
• Fraction - a number that represents part of a whole or part of a set.
• Decimal- a representation of a real number using the base ten and
decimal notation, such as 201.4, 3.89, or 0.0006.
• Percent - a ratio that compares a number to 100.
• Rational Number - a number that can be written as a fraction
• Number Line - a line on which numbers are marked at intervals,
used to illustrate simple numerical operations.
I Can….
Convert measurements
using proportional
reasoning.
Converting Measurements
Essential Understanding:
To convert measurements from one unit to another, you
can use your knowledge of ratios to create a poprpotion.
Example:
Mrs. E’s desk is 4 ft. long. How many inches is it?
1𝑓𝑡.
4𝑓𝑡.
=
12 𝑖𝑛.
?
Practice
Please take out your maker boards
Wrap it Up
• Review
• Questions
• Exit Tickets
Day 2
Bell Work
Stacey and Ben are planning a road trip from
Nashville, TN to Atlanta, GA. Ben uses a ruler to
measure the distance on a map. He tells Stacey
they will have to travel 24inches. If the map
scales shows 1 inch = 10 miles, how many miles
will they travel? How many miles will they travel
round trip?
Justify your response.
Homework Check
Vocabulary
- an equation that’s shows two ratios are equivalent.
• Proportion
_________
- a number that represents part of a whole or part of a set.
• Fraction
_______
• Decimal______ a representation of a real number using the base ten and
decimal notation, such as 201.4, 3.89, or 0.0006.
- a ratio that compares a number to 100.
• Percent
_______
Number - a number that can be written as a fraction
• Rational
_____________
Line - a line on which numbers are marked at intervals,
• Number
___________
used to illustrate simple numerical operations.
I Can….
Convert fractions to
decimal.
Converting Fractions to Decimals
Essential Understanding:
• To convert a fraction to a decimal you simply
divide the numerator by the denominator.
Examples:
𝟐
𝟓
=
𝟏
𝟒
=
𝟏
𝟐
=
𝟕
𝟖
=
Practice
Please take out your maker boards
Wrap it Up
• Review
• Questions
• Exit Tickets
Day 3
Bell Work
Convert each fraction to a decimal.
𝟏
=
𝟐
𝟑
𝟒
𝟏𝟗
𝟏
𝟑𝟒
𝟐𝟐
𝟖𝟖
=
=
=
5
𝟏
𝟑
𝟏
𝟏𝟎
=
=
𝟐
𝟓
𝟔
𝟗
=
𝟕
𝟖
=
𝟏𝟐𝟓
𝟐𝟕𝟓
=
=
Homework Check
Vocabulary
- an equation that’s shows two ratios are equivalent.
• Proportion
_________
- a number that represents part of a whole or part of a set.
• Fraction
_______
• Decimal______ a representation of a real number using the base ten and
decimal notation, such as 201.4, 3.89, or 0.0006.
- a ratio that compares a number to 100.
• Percent
_______
Number - a number that can be written as a fraction
• Rational
_____________
Line - a line on which numbers are marked at intervals,
• Number
___________
used to illustrate simple numerical operations.
I Can….
Convert decimals to
fractions.
Convert Decimals to Fractions
Essential Understanding:
To convert a decimal to a fraction you simply
identify the place value of the last decimal place
and use it as the denominator of the fraction.
Simplify when possible.
Examples:
.1
.25
.375
.4213
Your Turn….
• Clear your desk of everything but a pencil and
a calculator.
Wrap it Up
• Review
• Questions
• Exit Tickets
Day 4
Bell Work
Convert each decimal to a fraction.
.2 =
.33 =
.236 =
.8764 =
.01 =
.5 =
.0023 =
.64 =
.15 =
.45 =
3.75 =
1.5 =
Homework Check
Vocabulary
- an equation that’s shows two ratios are equivalent.
• Proportion
_________
- a number that represents part of a whole or part of a set.
• Fraction
_______
• Decimal______ a representation of a real number using the base ten and
decimal notation, such as 201.4, 3.89, or 0.0006.
- a ratio that compares a number to 100.
• Percent
_______
Number - a number that can be written as a fraction
• Rational
_____________
Line - a line on which numbers are marked at intervals,
• Number
___________
used to illustrate simple numerical operations.
I Can….
Convert decimals to
percent.
Converting Decimals to Percent.
Essential Understanding:
• To convert a decimal to a percent, you simply
multiply the decimal by 100 and add
ass a percent
sign (%).
• The easiest way to do this, is to use your
knowledge of Powers of 10 (move the decimal
to the right two places)
Examples:
.25 =
.1 =
.375 =
1
2
=
=
Practice
Please take out your maker boards
Wrap it Up
• Review
• Questions
• Exit Tickets
Day 5
Bell Work
Convert each decimal to a percent.
.05 =
.1 =
.25 =
.01 =
2.25=
.82 =
.12 =
.064 =
.333 =
.6 =
.9 =
.0001 =
Homework Check
Vocabulary
- an equation that’s shows two ratios are equivalent.
• Proportion
_________
- a number that represents part of a whole or part of a set.
• Fraction
_______
• Decimal______ a representation of a real number using the base ten and
decimal notation, such as 201.4, 3.89, or 0.0006.
- a ratio that compares a number to 100.
• Percent
_______
Number - a number that can be written as a fraction
• Rational
_____________
Line - a line on which numbers are marked at intervals,
• Number
___________
used to illustrate simple numerical operations.
I Can….
Convert percent to
decimals.
Converting Decimals to Percent.
Essential Understanding:
• To convert a percent to a decimal, you simply
divide by 100 and remove the percent sign (%).
• The easiest way to do this, is to use you
knowledge of Powers of 10 (move the decimal
to the left two places)
Examples:
5% =
25% =
46% =
50% =
=
Your Turn….
• Clear your desk of everything but a pencil and
a calculator.
pOp Quiz
• Take out a pencil and a calculator
• Clear everything else from your desk
Wrap it Up
• Classroom Store
• Exit Tickets
Computer Station
• http://learnzillion.com/lessons/842-define-unitrate-using-double-number-line
• http://learnzillion.com/lessons/613-solve-rateproblems-using-double-number-lines
• http://learnzillion.com/lessons/612-solve-formissing-values-in-rate-problems-using-a-table
(6 minutes per video)
Station Rotations
1. Write your exit ticket.
2. Pack up everything but a pencil.
3. You will have 15 minutes to complete each
rotation
1st Rotation
2nd Rotation
3rd Rotation
4th Rotation