"Multiplying decimals by integers" Multiplication of decimals PPT courseware 2

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"Multiplying decimals by integers" Multiplication of decimals PPT courseware 2

1. Tell the meaning of the following two equations.

12×7 32×9

Example: The floral cloth is 6.5 yuan per meter. How many yuan does it cost to buy 5 meters?

Calculate using addition:

6.5＋6.5＋6.5＋6.5+6.5

Calculate using multiplication:

6.5×5

6.5×5 means finding five 6.5 or 5 times of 6.5?

The meaning of multiplying decimals by integers is the same as the multiplication of integers, which is a simple operation to find the sum of several identical addends.

1. According to 115×12=1380, you must be able to directly tell the product below.

2. Compare to see who can calculate correctly and quickly.

Xiaoxin's father went to the vegetable market to buy vegetables. He bought three fish. Each fish cost 3.5 yuan. So how much did he spend?

This courseware provides a comprehensive introduction to decimal multiplication by integers through small games and exercises, which improves students' interest in learning and helps students better understand and remember the knowledge points of decimal multiplication. It is a good classroom teaching courseware.

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For more information about the PPT courseware "Multiplying Decimals and Multiplying Decimals by Integers", please click the Multiplying Decimals ppt Decimals Multiplying Integers ppt tag.

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"Multiplying Decimals by Integers" Flash Animation Courseware for Multiplying Decimals 2 This courseware is a teaching material for multiplication of decimals in the second unit of the fifth grade mathematics volume of the Hebei Education Edition. The content is vivid and vivid. Please download it! Keywords: decimal multiplication teaching courseware,...

"Multiplying Decimals by Integers" Decimal Multiplication PPT Courseware 7:

"Multiplying decimals by integers" PPT courseware for multiplying decimals by integers 7 Teaching objectives 1. Combined with specific examples, experience the process of solving problems with your own methods and learn the calculation method of multiplying decimals by integers. 2. Understand and master the calculation method of multiplying decimals by integers, and be able to multiply decimals correctly..

"Multiplying decimals by integers" Multiplication of decimals PPT courseware 6:

"Multiplying Decimals by Integers" Decimal Multiplication PPT Courseware 6 Oral Calculation: Carefully observe each set of questions, what did you find? 3X2= 5X4= 30X2= 5X40= 300X2= 5X400= 3000X2= 5X4000= One factor remains unchanged, and the other factor is expanded 10 times, 100 times, 1000 times. Then...

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Update Time: 2024-10-02

This template belongs to Mathematics courseware People's Education Press Fifth Grade Mathematics Volume 1 industry PPT template

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