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Equivalent Forms of Rational Numbers

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Page 1: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

Equivalent Forms of Rational Numbers

Page 2: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

What is a Rational Number?

Any Number that can be written as a fraction.

Page 3: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

Objective

I CAN…..“I can describe how to convert between

fractions and decimals using a graphic organizer.(c1C)

I CAN……“I can convert between

fractions and decimals using multiple strategies.” (6.1b)

Page 4: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

NOT SO FAST!!!!

What is a Fraction?Is a Fraction a Part or a Whole?What are the parts of a fraction?

Page 5: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

LET’S GET STARTED!

What did you notice?

Page 6: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

Another Cool Technique Make the Bottom Part 10, 100, 1000 Then FIX the top by doing what you did at the

bottom.

Page 7: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

Fractions To Decimals Decimals to Percents

½ =.50 = 50%

Page 8: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

NOT SO FAST!!!!

What is the most important number to a percent and why?

What place value spot will be most important when converting to a percent?

Page 9: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

Fractions to Decimals

Page 10: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

Decimals to Percents Remember The MOST IMPORTANT NUMBER to a percent. Remember place value.

Desmond had to run to the store to get some flour for his mom. She told him to use ¼ of the money to get ice for her homemade lemonade. What percent of the money did she want him to use for ice?

First change the fraction to a decimal.

Then move the decimal the hundredths place.

.25. 25%100

14

25

25

25

.25

Page 11: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

But What If…..

.25. 25%This is What we want.

0. 60%.6610

We Get This

Or this…18

.125

.12.5 12.5%

Just put the decimal behind the 100ths place

Page 12: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

Let’s Try It!

Page 13: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

Paulo has 1/10 of a dollar in his pocket. How much money does he have as a decimal? What is this number as a percent?

A. $0.01B. $0.10C. $1.00D. $1.10

Page 14: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

Which of the following stories represent the fraction 3/8?

A. At the restaurant, 8 friends shared 3 pitchers of water evenly.

B. At the concert, the band sold 8 tickets for 3 dollars each.

C. At the store 3 people bought 8 pieces of fruit each.

D. At the office, Mr. Black split 8 Bags of chocolates among 3 bowls.

Page 15: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction

Which of these Numbers is closest to one?A. ¼B. 8/3C. ¾D. 3/8

Page 17: Equivalent Forms of Rational Numbers. What is a Rational Number? Any Number that can be written as a fraction