"Problem Solving" Subtraction within 20 PPT Courseware 2

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"Problem Solving" Subtraction within 20 PPT Courseware 2

1. Review old knowledge

Question: Can you tell me what method you use to calculate it?

2. Learn new knowledge and explore independently

(1) Observe carefully and collect information

Questions: 1. Read it, what do you know? What is the problem to be solved?

2. Can you fully explain the meaning of this question?

3. I want to ask "How many more sets did Xiaohua win than Xiaoxue?" Can you solve it? (You can pose, draw, or calculate to express your thoughts.)

(2) Feedback monitoring and exposure of resources

(3) Expand migration and solve problems

Questions: (1) How many differences are there? Can you point it out in the picture?

(2) Can you list calculation formulas?

(3) Why is it listed like this?

3. Apply new knowledge and practice independently

Questions: (1) Read it, what do you know?

(2) To solve this problem, can you provide a formula?

(3) Why use subtraction calculation?

(4) What does this formula mean?

(5) Based on the information given, what other questions can you ask? Try to solve it yourself.

4. Assign homework

Homework: Exercise 5 on page 23, questions 7 and 9.

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For more information about the PPT courseware "Solving Problems with Abdication and Subtraction Within 20", please click on the "Solving Problems with Abdication and Subtraction within 20 ppt" tab.

"Problem Solving" PPT courseware download:

"Problem Solving" PPT courseware download Part One: New Lesson Introduction The hare and the tortoise are racing. The distance from the starting point to the end is 450 meters. Who will reach the end first? How early should I arrive? I run 5 meters per minute. I run 5 meters more per minute than the turtle. The tortoise and the hare..

"Problem Solving" PPT download:

"Problem Solving" PPT download Part 1: Concise explanation of classic questions 1) Do the math yourself: How much is the price reduction for each piece of clothing? The price of the wool sweater is reduced by 145 yuan, 525-380=145 (yuan). The price of the down jacket of 560 yuan is reduced by 162 yuan, 560-398=162 (yuan). What about the other items? ..

"Problem Solving" PPT:

Contents of the first part of "Problem Solving" PPT: Learning objectives 1. Understand the meaning of integer division; 2. Understand division with remainders; 3. Master the relationship between the various parts of division with remainders; 4. Cultivate analysis, judgment and logical reasoning Ability and ability to solve practical problems...

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Update Time: 2024-10-01

This template belongs to Mathematics courseware People's Education Press first grade mathematics volume 2 industry PPT template

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