| Category | Format | Size |
|---|---|---|
| Western Normal University Edition Fifth Grade Mathematics Volume 2 | pptx | 6 MB |
"Fractions and Decimals" Fraction PPT courseware
Description
"Fractions and Decimals" Fraction PPT courseware
fill in the blank.
(1) There are three parts ( ) in 0.3, which means ( ) divided by ( ).
(2) There are 12 parts ( ) in 0.12, which means ( ) divided by ( ).
(3) There are 16 parts ( ) in 0.016, which means ( ) divided by ( ).
When converting a decimal into a fraction, first think about what the decimal represents: a few tenths, a few hundredths, a few thousandths... and then directly write the decimal as a fraction with a denominator of 10, 100, 1000..., which can be simplified To simplify.
Decompose the denominator of each fraction above into prime factors. Will you find any characteristics of fractions that can be converted into finite decimals?
A fraction whose denominator contains only prime factors 2 and 5 can be converted into a finite decimal. If it contains other prime factors besides prime factors 2 and 5, it cannot be converted into a finite decimal.
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For more information about the "Fractions, Fractions and Decimals" PPT courseware, please click the Fractions ppt Fractions and Decimals ppt tab.
"Interconversion of Percents and Decimals" Percent PPT Courseware:
"Conversion of Percents and Decimals" Percent PPT Courseware Teaching Objectives 1. Combined with specific examples, experience the process of finding percentages and summarizing the methods of converting decimals and percentages into each other. 2. Master the method of finding percentages, be able to convert decimals and percentages into each other, and be able to solve the problem of finding a...
"Fractions and Decimals" Fraction PPT courseware 2:
"Fractions and Decimals" Fraction PPT courseware 2 Learning objectives: 1. Knowledge and skills: Understand and master the method of converting decimals and fractions into each other. 2. Excessive length and method: can convert decimals into fractions correctly, and can also convert fractions with denominators of 10, 100, and 1000 into decimals. 3.Love..
"Interconversion of Fractions and Decimals" Understanding Fractions PPT Courseware 2:
"Interconversion of Fractions and Decimals" Understanding Fractions PPT Courseware 2 1. Fill in the blanks: (1) 0.9 means ( ) divided by ( ). (2) 0.07 means ( ) divided by ( ). (3) 0.013 means ( ) divided by ( ). (4) 4.27 means ( ) and ( ) divided into ( ). ... ... ... Small..
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Update Time: 2024-07-06
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