"Wide Angle of Mathematics-Reasoning" PPT (Lesson 3 Consolidation Practice)

Description

"Wide Angle of Mathematics-Reasoning" PPT (Lesson 3 Consolidation Practice)

Part One: Learning Objectives

1. Consolidate simple logical reasoning knowledge. Gain further experience in some simple logical reasoning.

2. Cultivate interest and confidence in learning mathematics and enhance students’ number sense.

[Key Points] Master simple logical reasoning knowledge.

[Difficulty] Experience the ideas and methods of logical reasoning.

Reasoning PPT, part 2 content: knowledge points: reasoning questions

1. When making inferences and judgments about three things, you must find out the logical relationship between the things and analyze them before making a judgment.

2. The reasoning between three things can be analyzed and judged by using the connection method.

3. When filling in the numbers in the square (4×4), first look at which row and column of the blank have three different numbers, so that you can determine the number that should be filled in the blank, and so on. , you can fill in the numbers in the square completely.

Reasoning PPT, the third part: analysis of example questions

1. Fill it out.

(1) The weight of Xiaoyu, Xiaofang and Xiaogang is 27kg or 25kg or 22kg. Please guess how much they weigh.

Xiaoyu: ( ) kilogram Xiaogang: ( ) kilogram

Small square: ( ) kilogram

(2) There is one basketball, one football and one volleyball, and the following three people each got one.

Mingming: What I picked up was neither basketball nor football.

Beibei: What I got was not basketball or volleyball.

What Ming Ming took was ( ); what Bebe took was ( );

What Qiangqiang takes is ( ).

(3) Three kinds of vegetables: cabbage, radish and beans. Radish is the cheapest, while cabbage is not the most expensive. The most expensive one is ( ).

2. Mark “√” under the correct number.

(1) I am older than 1600, I am not 1699. I am:

(2) 3000 is smaller than me, and 4000 is bigger than me. I am:

3. Choose the appropriate number from 0 to 9 and fill it in □ below.

4. Solve the problem.

In the square below, each row and column has four numbers from 1 to 4, and each number appears only once in each row and column. What are A, B, and C?

Analysis: The row and column of A already have 1, 2, and 3, so A is 4; then C is 1; the row and column of B already have 1, 3, and 4, so B is 2.

Oral answer: A is 4, B is 2, and C is 1.

5. The new semester has begun. Teacher Gao, Teacher Li, and Teacher Wang are the new Chinese teachers, mathematics teachers, or art teachers of Class 2 (1). Teacher Li only teaches students drawing, while Teacher Wang is more humorous than the math teacher. Can you guess who each of the three teachers is?

Analysis: Teacher Li only teaches painting, which means that Teacher Li is an art teacher; Teacher Wang is more humorous than the math teacher, which means that Teacher Wang is a Chinese teacher; then Teacher Gao is a math teacher.

Oral answer: Teacher Gao is a math teacher, Teacher Li is an art teacher, and Teacher Wang is a Chinese teacher.

6. Please guess which fruit they each like?

(1) There are fruits that Xiaoli likes in ②③④. Xiaoli’s favorite fruit is ( ).

(2) There are fruits that Xiao Ming likes in ①③④. Xiao Ming’s favorite fruit is ( ).

(3) There are fruits that Xiaolan likes in ①②④. Xiaolan’s favorite fruit is ( ).

Reasoning PPT, Part 4: Classroom Exercises

1. Single choice questions.

(1) There are 4 animals in the zoo, they are elephant, giraffe, tiger and panda. It is known that elephants are heavier than pandas, giraffes are lighter than tigers, pandas are heavier than tigers, ( ) is the heaviest, and ( ) is the lightest.

A. Elephant B. Giraffe C. Tiger D. Panda

(2) Xiaohong, Xiaojie, Xiaoli, and Xiaoliang were comparing their heights. Xiaoli said: "I am taller than Xiaohong." Xiaoliang said: "I am not the tallest, but I am taller than Xiaohong and Xiaoli." "Guess, ( ) is the highest. ( )Shortest.

A. Xiaohong B. Xiaojie C. Xiaoli D. Xiaoliang

(3) Xiao Liu, Xiao Zhang and Xiao Xu, one is a worker, one is a farmer and the other is a soldier. Now I only know:

a.Xiao Xu is older than the soldier;

b.Xiao Liu is a soldier;

c. The farmer is younger than Xiao Zhang.

Then, ( ) is a worker.

A. Xiao Liu B. Xiao Zhang C. Xiao Xu

Keywords: Free download of second-grade mathematics PPT courseware from the People's Education Press, mathematics wide-angle PPT download, reasoning PPT download, consolidation practice PPT download, .PPT format;

For more information about the "Mathematics Wide-angle Reasoning Consolidation Exercises" PPT courseware, please click the Mathematics Wide-angle PPT Reasoning PPT Consolidation Exercises PPT tag.

"Wide Angle of Mathematics - Reasoning" PPT (Lesson 2 Sudoku):

"Wide Angle of Mathematics - Reasoning" PPT (Lesson 2 Sudoku) Part One Content: Learning Objectives 1. Students can further gain some experience in logical reasoning by actively participating in classroom activities and experiencing the process of analysis and reasoning. 2. Explore reasoning through independent learning..

"Wide Angle of Mathematics - Reasoning" PPT (Lesson 1 Simple Reasoning):

"Wide Angle of Mathematics - Reasoning" PPT (Lesson 1 Simple Reasoning) Part One Content: Learning Objectives 1. Through activities such as observation and guessing, let students experience a simple reasoning process, understand the meaning of logical reasoning, and gain some simple reasoning experience. 2. With the help of connection...

File Info

Update Time: 2024-11-11

This template belongs to Mathematics courseware People's Education Press Second Grade Mathematics Volume 2 industry PPT template

Preview