"Multiplication with 0 at the end of the factors" Multiplying three-digit numbers with two-digit numbers PPT

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"Multiplication with 0 at the end of the factors" Multiplying three-digit numbers with two-digit numbers PPT

Part One: Learning Objectives

1. Further understand and master the calculation method of multiplying three-digit numbers by two-digit numbers, and be able to perform calculations more skillfully.

2. Through experimentation, understand and master the calculation method of multiplication with 0 at the end of the factor; be able to use reasonable methods to calculate based on the characteristics of numbers through observation and comparison. 3. Guide students to grasp the connections between knowledge, explore new knowledge, and cultivate students’ interest in learning.

[Important and difficult points] Simple writing method of vertical expression and determination of the number of zeros at the end of the product.

Multiplication PPT with 0 at the end of the factors, part 2: analysis of example questions

Compare, compete, and calculate each of the following questions orally.

6×30＝ 20×60＝

16×30＝ 18×40＝

calculate

43×20＝ 64×30＝

Let’s talk about the written multiplication method with 0 at the end.

First multiply the numbers before 0, then look at how many 0s are at the end of the two factors, and add a few 0s at the end of the product.

Multiplication PPT with 0 at the end of the factors, Part 3: Classroom exercises

1.judgment

1. There are several zeros at the end of the two factors, and there must be several zeros at the end of the product. ( )

2. There are several zeros at the end of the two factors, and at least several zeros at the end of the product. ( )

2. Fill in the blanks

(1) 130×40, first calculate ( ) × ( ) = ( ), and then add ( ) 0 at the end of the product to get ( ).

(2) According to the calculation formula 43×15=645, we can know that 430×15=( ), 43×150=( ), 430×150=( ).

Multiplication PPT with 0 at the end of the factors, Part 4: Summary after class

Classmates, what knowledge have you learned in this class?

Multiplication with 0 at the end of written arithmetic factors

First multiply the numbers before 0, then look at how many 0s are at the end of the two factors, and add a few 0s at the end of the product.

Keywords: Free download of PPT courseware for fourth-grade mathematics from the People's Education Press, download of multiplication PPT with 0 at the end of factors, download of three-digit multiplication of two-digit PPT, .PPT format;

For more information about the PPT courseware "Multiplying Three-Digit Times Two-Digit Factors with 0 at the End", please click on the Multiplication PPT tag of Three-Digit Multiplying Two-Digit Factors with 0 at the End.

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Update Time: 2024-11-24

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

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