Western Normal University Edition First Grade Mathematics Volume 1
Beijing Normal University Edition Seventh Grade Mathematics Volume 1
People's Education Press First Grade Mathematics Volume 1
People's Education Press Third Grade Mathematics Volume 1
People's Education Press Second Grade Mathematics Volume 1
Hebei Education Edition Third Grade Mathematics Volume 1
Beijing Normal University Edition Seventh Grade Mathematics Volume 2
Beijing Normal University Edition Fifth Grade Mathematics Volume 1
Qingdao Edition Seventh Grade Mathematics Volume 1
Hebei Education Edition Seventh Grade Mathematics Volume 2
Beijing Normal University Edition Eighth Grade Mathematics Volume 1
People's Education High School Mathematics Edition B Compulsory Course 2
Jiangsu Education Edition Fourth Grade Mathematics Volume 1
People's Education Press First Grade Mathematics Volume 2
Qingdao Edition Seventh Grade Mathematics Volume 2
Beijing Normal University Edition Fifth Grade Mathematics Volume 2
Category | Format | Size |
---|---|---|
Hebei Education Edition First Grade Mathematics Volume 2 | pptx | 6 MB |
Description
"Abdication" PPT
Part One: Introduction of New Course
How many more votes did Beijing get than Paris?
56 - 18 = 38 (votes)
Use a small stick to swing it around and try to calculate it vertically.
Calculate it in vertical form like this:
How is the "3" in the tens place calculated?
It is obtained by borrowing one digit from 5 and then subtracting 1.
Abdicate and reduce PPT, the second part of the content: apply what you have learned
1. How many more votes does Toronto get than Paris?
22-18=4 (votes)
2. Use vertical calculation.
40-16=
83-45=
62-38=
math surfing
Use any two adjacent numbers from 1 to 9 to form two two-digit numbers, and then subtract the smaller number from the larger number.
21-12=9 32-23=9 43-34=9
54-45=9 65-56=9 76-67=9
87-78=9 98-89=9
The difference is all 9.
Abdication minus PPT, part three: course exercises
How many stamps does Xiao Ming have?
Wow, you have 82 stamps!
I give you 28 pieces.
First determine what the tens digit of the difference is, and then calculate.
Tell me how you judge.
The lower tens digit should be 5.
Because subtracting 2 from 8 in the ones place is not enough, we need to borrow 1 from the tens place...
Abdication minus PPT, part 4: Ask questions and answer them.
There were 24 people taking the small train
There were 37 people riding the Ferris wheel
There were 46 people riding the roller coaster
How many people took the train and the roller coaster?
24 + 46 = 70
How many more people ride the roller coaster than the train?
46 - 24 = 22
Keywords: Free download of Hebei Education Edition first-grade mathematics PPT courseware for the second volume, abdication minus PPT download, .PPT format;
For more information about the PPT courseware "Addition and Subtraction Within 100, Subtraction with Reduction", please click on the Addition and Subtraction within 100 PPT, Subtraction with Reduction PPT tag.
"Abdication and Subtraction" PPT teaching courseware for addition and subtraction within 100:
"Abdication and Subtraction" PPT teaching courseware for addition and subtraction within 100. Part 1: Introduction of the topic 1. Calculate orally and talk about your own algorithm. 15-7= 20-8= 17-9= 13-7= 2. Based on the mathematical information in the picture, can you ask any mathematical questions about subtraction?...
"Abdication and Subtraction" PPT download of addition and subtraction within 100:
"Abdication and Subtraction" PPT download of addition and subtraction within 100 Part One: Scenario Introduction Based on this information, please come up with a mathematical problem solved by subtraction. How many more gold medals does China have than the United States? How many fewer gold medals does the United States have than China? ... ... .....
"Abdication and Subtraction" PPT on addition and subtraction within 100:
"Abdication and Subtraction" PPT on addition and subtraction within 100 Part 1: Review introduction I am the best in verbal arithmetic. 16-8= 10-4= 15-7= 11-6= 12-8= 10-5= ... ... ... Abdication minus PPT, the second part: Scenario introduction China comparison...
File Info
Update Time: 2024-10-02
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