November 28, )Write your homework in your agenda: 2)Take the Pre-Test with the iRespond. DO NOT GO BACK AND FIX ANYTHING.

Conversions Being able to use fractions, decimals and percents interchangeably

Rational numbers (decimals, fractions, and percents) What am I Learning Today? How will I show that I learned it? To understand and use rational numbers to convert between fractions, decimals, and percents.

What exactly is a percent? You can remember that percent means “per hundred.” For example, 8% means “8 per hundred,” or “8 out of 100.” Most states charge sales tax on items you purchase. Sales tax is a percent of the item’s price. A percent is a ratio of a number to 100.

FractionsPercentsDecimals %.40

FractionsPercentsDecimals %.40

Questions Answers - Move the decimal point two places to the right - Attach a percent sign *This is the same as multiplying by 100. How do I change from a decimal to a percent?

Decimal to Percent Flip Book Move your decimal 2 places to the right and add a % sign EX: 0.67 =

.5 = Change the decimal to a percent. Change the decimal to a percent. 50%.02 = 2 % 1.3 = 130 %

FractionsPercentsDecimals %.40

Questions Answers - Move the decimal point two places to the left. - Drop the percent sign. *This is the same as dividing by 100. How do I change from a percent to a decimal?

Percent to Decimal Flip Book Drop the %, move the decimal 2 places to the left. EX: 65% =

19 % = Change the percent to a decimal. Change the percent to a decimal % = % =.17

FractionsPercentsDecimals %.40

Questions Answers - Write it as you would read it - The number itself is the numerator - The denominator is the place value - SIMPLIFY How do I change from a decimal to a fraction?

Decimals to Fractions Flip Book Write the number as the numerator over its place value & simplify EX: 0.45 =

.43 = Change the decimal to a fraction: Change the decimal to a fraction: = = =

FractionsPercentsDecimals %.40

Questions Answers - Divide the denominator into the numerator. - Try to divide out to the thousandths place to see if it’s a terminating or repeating decimal How do I change from a fraction to a decimal?

Fractions to Decimals Flip Book Divide the denominator into the numerator EX: 2/5 =

Change the fraction to a decimal: Change the fraction to a decimal: = = 0.875

2 5 40%.40 FractionsPercentsDecimals

Questions Answers - Put the number over 100 and reduce - Drop the percent sign. *Remember, “percent” means “per hundred” How do I change from a percent to a fraction?

Percents to Fractions Flip Book Write the number over 100, drop the %, & simplify EX: 96% =

32 % = Change the percent to a fraction: Change the percent to a fraction: = % = = = 25

2 5 40%.40 FractionsPercentsDecimals

Questions Answers - Convert fraction to a decimal number by dividing the numerator by the denominator - Move the decimal point two places to the right. - Attach a percent sign. How do I change from a fraction to a percent?

Fractions to Percents Flip Book Change the fraction to a decimal, then to a percent by moving the decimal 2 places to the right EX: 1/2 =

Change the fraction to a percent: 3 15 = 15 ) 3 = 0.2 = 20% 5 8 = 8 ) 5 = = 62.5%

Convert to a fraction: Convert to a percent: Convert to a decimal: % % %0.2 = 20%