comparing fractions, decimals, and percents. concept summary percent decimal 39% = 45% = 115%= ...

6
Comparing Fractions, Comparing Fractions, Decimals, and Decimals, and Percents Percents

Upload: francis-benson

Post on 12-Jan-2016

215 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Comparing Fractions, Decimals, and Percents. Concept Summary  Percent Decimal 39% = 45% = 115%=  Decimal Percent.2= 1.66 = 1.764 = 0.005 =

Comparing Fractions, Comparing Fractions, Decimals, and PercentsDecimals, and Percents

Page 2: Comparing Fractions, Decimals, and Percents. Concept Summary  Percent Decimal 39% = 45% = 115%=  Decimal Percent.2= 1.66 = 1.764 = 0.005 =

Concept SummaryConcept Summary Percent DecimalPercent Decimal

39% =39% =45% =45% =115%=115%=

Decimal PercentDecimal Percent.2=.2=1.66 =1.66 =1.764 =1.764 =0.005 =0.005 =

Page 3: Comparing Fractions, Decimals, and Percents. Concept Summary  Percent Decimal 39% = 45% = 115%=  Decimal Percent.2= 1.66 = 1.764 = 0.005 =

Fractions to PercentsFractions to Percents Using ProportionsUsing Proportions

3/8=3/8=

2/3=2/3=

7/25=7/25=

3/16=3/16=

Page 4: Comparing Fractions, Decimals, and Percents. Concept Summary  Percent Decimal 39% = 45% = 115%=  Decimal Percent.2= 1.66 = 1.764 = 0.005 =

Write it as DecimalWrite it as Decimal

3/8=3/8=

1/9=1/9=

¾=¾=

1/6=1/6=

Page 5: Comparing Fractions, Decimals, and Percents. Concept Summary  Percent Decimal 39% = 45% = 115%=  Decimal Percent.2= 1.66 = 1.764 = 0.005 =

Order NumbersOrder Numbers

30%, 3/100, 7/20, and 0.33 from least to greatest.30%, 3/100, 7/20, and 0.33 from least to greatest.

22%, 1/10, 3/25, and .25 from greatest to least.22%, 1/10, 3/25, and .25 from greatest to least.

17/25, 60%, 0.062, 13/20 from least to greatest.17/25, 60%, 0.062, 13/20 from least to greatest.

.99, 9/10, 9%, 19/20 from greatest to least..99, 9/10, 9%, 19/20 from greatest to least.

Page 6: Comparing Fractions, Decimals, and Percents. Concept Summary  Percent Decimal 39% = 45% = 115%=  Decimal Percent.2= 1.66 = 1.764 = 0.005 =

WORD PROBLEMSWORD PROBLEMS In a recent survey, 0.6 of the people said they In a recent survey, 0.6 of the people said they

use their tax refund to pay bills, and 7% said use their tax refund to pay bills, and 7% said they will just spend it. Do more people pay they will just spend it. Do more people pay bills or spend their refund?bills or spend their refund?

About 3/20 of Earth’s land is covered by About 3/20 of Earth’s land is covered by desert. North America is about 16% of Earth’s desert. North America is about 16% of Earth’s total land surface. Is the area of Earth’s total land surface. Is the area of Earth’s deserts more or less the total area of North deserts more or less the total area of North America?America?