| Category | Format | Size |
|---|---|---|
| Jiangsu Education Edition Fifth Grade Mathematics Volume 1 | pptx | 6 MB |
"Division of decimals whose divisor is an integer" Multiplication and division of decimals PPT courseware 3
Description
"Division of decimals whose divisor is an integer" Multiplication and division of decimals PPT courseware 3
teaching objectives:
1. Guide students to connect with life situations, understand the calculation method of dividing decimals by integers through independent exploration, cooperation and communication, be able to calculate correctly, and use calculations to solve simple practical problems.
2. Through active learning activities, students can develop a positive learning attitude, feel the role of learning mathematics well, and build confidence in learning mathematics well.
Teaching Focus and Difficulties
Understand how to divide decimals by whole numbers. Understand that the decimal point should be aligned with the decimal point of the dividend.
Oral calculation: 0.5×5=?
According to 0.5×5=2.5, do you know 2.5÷5=? ?
How to calculate a decimal divided by an integer:
To calculate a decimal divided by an integer, you can divide it according to the calculation method of integer division, then align the decimal point of the divisor and click the decimal point on the quotient. In the calculation, if the units digit is not enough to quotient 1, quotient is 0; if there is a remainder, add 0 after the remainder and continue dividing.
1. Calculate, compare
48÷3 75÷25
4.8÷3 0.75÷25
400÷80
4÷80
The divisor remains unchanged, the dividend is reduced several times, and the quotient is also reduced several times.
4.26÷3 0.735÷7
2.76÷25 6÷8
If the units digit is not enough to quotient 1, quotient 0, and click the decimal point to continue dividing; divide to the last digit of the dividend, if there is a remainder, add 0 before dividing.
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For more information about the PPT courseware "Multiplication and division of decimals whose divisor is an integer, division of decimals whose divisor is an integer" PPT courseware, please click the Multiplication and division of decimals ppt division of decimals whose divisor is an integer ppt tag.
"Division of decimals whose divisor is an integer" Multiplication and division of decimals PPT courseware 2:
"Division of decimals whose divisor is an integer" Multiplication and division of decimals PPT courseware 2 1. Fill in the blanks. 0.16 contains 16 ( ) 3.2 contains 32 ( ) 0.57 contains ( ) one-hundredths 2.6 contains ( ) tenths Calculate using vertical formula 2568= ..
"Division of decimals whose divisor is an integer" Decimal multiplication and division PPT courseware:
"Division of decimals whose divisor is an integer" PPT courseware on decimal multiplication and division. Add a decimal point in the lower right corner of the units digit of the quotient. Adding 0 after 2 means 20 tenths. 20 tenths divided by 5, the quotient is 4 tenths, with 4 written in the tenths place. Integer part 5..
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Update Time: 2024-07-11
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