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Category | Format | Size |
---|---|---|
People's Education Press Third Grade Mathematics Volume 1 | pptx | 6 MB |
Description
"Addition" PPT courseware download, 41 pages in total.
learning target
1. Allow students to experience the process of exploring the written calculation method of adding three-digit numbers to two and three-digit numbers, and be able to skillfully perform calculations of continuous carry addition within ten thousand.
2. Enable students to have a thorough understanding of the calculation rules of addition within ten thousand, further master the calculation rules of addition, and improve students' calculation level.
3. Cultivate students' thoughts on knowledge transfer and help students form the habit of calculating seriously and carefully.
4. Cultivate students’ learning habits of independent inquiry, cooperation and communication, and stimulate their interest in learning mathematics.
New knowledge exploration
How many species of reptiles and amphibians are there in total?
376 + 284
Students, can you make an estimate?
Which hundred is closest to 376?
Which hundred is closest to 284?
Class exercises
1. Fill in ">", "<" or "=".
347+52�108+741 538+121�542+98 500+128�300+128 356+47�489-86
2. Mathematics Clinic.
3. Calculate the following questions.
231+468= 567+498=
925+456 = 807+118=
Consolidation exercises
1. The fruit shop sold 318 kilograms of lychees in the morning and 276 kilograms in the afternoon. How many kilograms were sold in total?
2. There are 447 boys and 551 girls in the second grade. How many people are there in the second grade?
3. The school bought a batch of books and lent 348 books to the students, but 152 books were left. Later, it bought 560 more books. How many books did the school buy in total?
Keywords: Free download of addition and subtraction PPT courseware within ten thousand, addition PPT download, .PPT format;
For more information about the PPT courseware "Addition and Subtraction Within Ten Thousand", please click the Addition and Subtraction Within Ten Thousand PPT Addition PPT tab.
"Addition with Discontinuous Carry" PPT courseware download:
"Addition with Discontinuous Carry" PPT courseware download, 12 pages in total. Introduce oral arithmetic before class. 197+101 271+302 299+203 Learning Objectives Knowledge and Skills: To enable students to further understand the rules of addition and be able to write three-digit discontinuous carry additions. Process and method...
"Addition" PPT download:
"Addition" PPT download, 11 pages in total. Review introduction 3+1= 1+1= 2+3= 2+1= 1+4= 4+1= 1+2= 3+2= 2+2= Basic training 1. Continuously. 2. Look at the diagram and calculate. 3. The bird delivers letters one after another. Keywords: Free download of addition PPT courseware, 1-5..
"Addition of Rational Numbers" Rational Numbers and Their Operations PPT Courseware (Lesson 2):
"Addition of Rational Numbers" Rational Numbers and Their Operations PPT Courseware (Lesson 2) Part One: Knowledge Points Basic Knowledge Point 1 Operational Law of Addition of Rational Numbers 1. Among the following deformations of exchanging the positions of the addends, the wrong one is (D) A. 30+( -20 )=( -20 )+30 B.(..
File Info
Update Time: 2024-10-01
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