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Category | Format | Size |
---|---|---|
Jiangsu Education Edition Sixth Grade Mathematics Volume 1 | pptx | 6 MB |
Description
"Interconversion of Percents, Decimals and Fractions" Understanding Percents PPT Courseware
First convert the following decimals into fractions, and then talk about the method of converting decimals into fractions.
First convert them into fractions whose denominators are 10, 100, and 1000, and then reduce them.
To convert a decimal into a percentage, just move the decimal point two places to the right and add a percent sign at the end.
To convert a percentage to a decimal, simply remove the percent sign and move the decimal point two places to the left.
Today I learned about percentages and decimals
Interchange, I can calculate:
1. Convert decimals into percentages.
0.7=( )% 5=( )%
1.08=( )% 0.305=( )%
2. Convert percentages into decimals or integers.
150%=() 500%=()
0.4%=( ) 1.75%=( )
I am a little expert at filling in the blanks!
To convert a decimal into a percentage, just move the decimal point two places toward ( ) and add ( ) at the end; to convert a percentage into a decimal, just move the percent sign ( ) and move the decimal point two places toward ( ).
Expand your thinking
1. Fill in the blanks: ( ): 16 = 0.125 = 1÷ ( ) = ( )%.
2. The ratio of girls to boys is 4:5. Girls are less than boys ( ), and girls are less than boys ( )%.
To convert a fraction into a percentage, you usually first convert the fraction into a decimal (when division is not possible, usually keep three decimal places), and then convert the decimal into a percentage.
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For more information about the PPT courseware "Understanding Percents and the Interconversion of Percents and Decimal Fractions", please click on the "Understanding Percents ppt Interconversion of Percents and Decimal Fractions" ppt tag.
"Interconversion of Percents, Decimals, and Fractions" Understanding Percents PPT Courseware 2:
"Interconversion of Percents, Decimals, and Fractions" Understanding Percents PPT Courseware 2 1. Read out each percentage below. 16% 72.5% 180% 49.072% 2. What would it be if each of the following numbers was expanded 100 times? How does the decimal point move? What would they look like if they were shrunk 100 times? ..
File Info
Update Time: 2024-09-05
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