"Addition with Carry" PPT courseware download for addition and subtraction within 100 Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
| 文件名 如何下载使用 | 下载次数 | Download Points | 下载地址 |
|---|---|---|---|
| "Addition with Carry" PP... | 23450次 | 0.00 | Free Download |
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Authoritative PPT Summary
"Addition with Carry" PPT courseware download for addition and subtraction within 100
Part One: Objectives of this Section
01 Preliminarily understand and master the calculation method of two-digit carry addition in written calculation, and be able to correctly calculate two-digit carry addition.
02 Initial development of analytical and generalization abilities. By placing wooden sticks, dialing calculators, etc., you can experience the fun of learning mathematics and develop a strong interest in mathematics.
03 During learning, feel the close connection between mathematics and life, and apply the knowledge learned to real life.
Carry plus PPT, the second part of the content: initial perception
What math questions can you ask?
How to list the formula?
35＋37＝
How many students are there in Class 2(1) and Class 2(3)?
Delve deeper
How to calculate in writing?
35＋37＝_______
ten
3 5
+ 3 7
The ones digit adds up to ten, and advances 1 to the tens digit.
The same digits must be aligned and added starting from the ones digit.
The ones digit adds up to ten, and advances 1 to the tens digit.
Carry plus PPT, the third part: Contact life
(1) How much does it cost in total for Xiaohua to buy a toy car and a toy rocket?
14+27=41 (yuan)
(2) Xiaoling has 50 yuan, what other toys can she buy?
You can buy a toy airplane and a toy rocket.
You can buy a toy airplane and a toy car.
You can buy a toy ship and a toy car.
Carry plus PPT, Part 4: Consolidation Practice
1. Do the math.
What should you pay attention to when doing addition calculations?
pen arithmetic addition
Same digit alignment;
Add up from ones place;
The individual positions add up to ten,
Advance 1 to the tens place.
2. Is the following calculation correct? Correct what is wrong.
The same digits must be aligned.
When the ones digit reaches ten, don’t forget to add 1 to the tens digit!
The 0 in the ones digit is used to occupy the place and must be written.
Carry plus PPT, Part 5: Summary of this section
01 When calculating addition in vertical form, the same digits must be aligned.
02 When calculating addition in vertical form, add from the ones digit.
03 When calculating addition in vertical form, the ones digit adds up to ten, and 1 is added to the tens digit.
Carry plus PPT, Part 6: Assign homework
Complete 2.1.2 Carry plus homework online.
Keywords: Free download of PPT courseware for second grade mathematics from People's Education Press, download of carry and addition PPT, download of addition and subtraction within 100 PPT, .PPT format;
For more information about the PPT courseware "Addition and Subtraction within 100, Carry and Add", please click on the Addition and Subtraction within 100 PPT Carry and Add PPT tag.
"Addition with Carry" PPT teaching courseware for addition and subtraction within 100:
"Carry Addition" PPT teaching courseware for addition and subtraction within 100. Part 1: Introduction of the topic 1. Calculate orally and talk about your own algorithm. 5+34= 63+7= 9+84= 38+50= 2. Calculate using the Jian formula. 32+6= 5+43= 24+61= 32+37= ... ... ... ..
"Addition with Carry" PPT download of addition and subtraction within 100:
"Addition with Carry" PPT download of addition and subtraction within 100 Part 1: Review introduction to see who can calculate correctly and quickly. 8＋5＝ 9＋6＝ 7＋5＝ 3＋3+1＝ 5＋6＝ 7＋8＝ 8＋8＝ 4＋2+1＝ ... ... ... Carry plus PPT, Part 2...
"Addition with Carry" PPT on addition and subtraction within 100:
"Addition with Carry" PPT on addition and subtraction within 100 Part 1: Exploring new knowledge How many students are there in Class 2 (1) and Class 2 (3)? Understand the meaning of the question: There are 35 people in Class 2 (1) and 37 people in Class 2 (3). Calculate the total number of people in the two classes using addition. The formula is...