Download the PPT courseware of "Subtraction with Continuous Abdication"

Download the PPT courseware of "Subtraction with Continuous Abdication"

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Download the PPT courseware "Subtraction with Continuous Abdication", 12 pages in total.

learning target

Knowledge and skills: Master the written calculation method of subtracting two or three digits from a three-digit number, and be able to calculate correctly.

Process and methods: Through group cooperation and exploration, we will experience the formation process of the calculation method of three-digit continuous abdication subtraction, and experience the methods and strategies of induction and generalization.

Emotional attitudes and values: Develop good habits of careful calculation, so that students can enhance their awareness of fair competition in a harmonious learning atmosphere. Stimulate interest in learning mathematics.

New knowledge exploration

group communication

1. Discuss the calculation methods of the calculation problems in the case, one group will be shown, and the rest will be supplemented.

2. How to calculate the three-digit subtraction of three-digit consecutive subtractions in written arithmetic? What should we pay attention to?

summary:

When doing subtraction calculations, you should pay attention to:

1. The same digits must be ( );

2. Subtract from ( );

3. If the number in any digit is not enough to be reduced, you should step back 1 from the ( ) position and act as ( ).

Class summary

Keywords: Free download of PPT courseware on continuous abdication and subtraction, PPT download of addition and subtraction within ten thousand, .PPT format;

For more information about the PPT courseware "Addition and subtraction within 10,000 with continuous abdication and subtraction", please click on the Addition and Subtraction within 10,000 PPT with continuous abdication and subtraction PPT tag.

"Three-digit subtraction and three-digit continuous abdication subtraction" Addition and subtraction of two and three digits PPT courseware 2:

"Three-digit subtraction and three-digit continuous abdication subtraction" Two- and three-digit addition and subtraction PPT courseware 2 You have to take a bus from Kunming Airport to visit Stone Forest! The two cars have a total of 82 seats, and 34 people are already in the car. How many empty seats are left? 1. Do the following calculations in writing..

"Three-digit subtraction and three-digit continuous abdication subtraction" PPT courseware for addition and subtraction of two and three digits:

"Three-digit subtraction and three-digit continuous abdication subtraction" PPT courseware for addition and subtraction of two- and three-digit numbers 1. Calculate the following questions orally and compare to see who can calculate correctly and quickly. 20-17= 12-8= 17-9= 15-9= 23-18= 33-14= 14-7= 19-8= 2. Calculate the following...

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Download the PPT courseware of "Subtraction with Continuous Abdication"

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