COMPARING & ORDERING FRACTIONS & DECIMALS!

COMPARE AND ORDER FRACTIONS, DECIMALS AND PERCENTS

Comparing and Ordering Fractions, Decimals, and Percents

To compare fractions, decimals, and percents it is easier to write all the numbers as percents or decimals. (Hint: decimals are the easiest!)

COMPARE AND ORDER FRACTIONS, DECIMALS AND PERCENTS

Order ¾ , 0.8 and 70% from greatest to least.

4

3 = .75 (very common but if necessary, divide numerator by denominator)

0.8 = .8 Order: 0.8, 4

3, 70%

70% = .7 Hint: When ordering use the original numbers.

COMPARE AND ORDER FRACTIONS, DECIMALS AND PERCENTS

Work with a partner

Order 0.2, 4

1 , 2%, and

20

3 from least to greatest.

Answer is: 2%, 20

3, 0.2,

4

1

COMPARE AND ORDER FRACTIONS, DECIMALS AND PERCENTS

Student Practice: (on whiteboards)

Order from least to greatest the following numbers.

6

5, 0.725, 85%,

3

2

Order is 3

2, 0.725,

6

5, 85%

Work:

6

5= .833… 0.725 = .725 85% = .85

3

2= .6

COMPARE AND ORDER FRACTIONS, DECIMALS AND PERCENTS

Skill and concept check:

Complete questions 1-3 in your handout independently.

When finished, compare your answer with your partner.

COMPARE AND ORDER FRACTIONS, DECIMALS AND PERCENTS

1) Write a fraction, a percent, and a decimal to represent the shaded portion of the rectangle at right.  fraction _____________  percent ____52%______  decimal ___.52________

25

13         

         

         

         

         

COMPARE AND ORDER FRACTIONS, DECIMALS AND PERCENTS

2) Kristen and Ashley are changing 0.7 to a percent. Who is correct and explain why.

Kristen says 0.7 would be written as 7%Ashley says 0.7 would be written as 70%

Ashley is correct. The decimal point is moved to the right two decimal places to write as a percent.

COMPARE AND ORDER FRACTIONS, DECIMALS AND PERCENTS

3) Write 13%, 25

2, 0.38, 1.19 from least to greatest.

25

2, 13%, 0.38, 1.19

COMPARE AND ORDER FRACTIONS, DECIMALS AND PERCENTS

Closure

Explain the relationship between fractions, decimals and percents.

Fractions, decimals and percents are different ways to write the same number and can be used interchangeably.