| Category | Format | Size |
|---|---|---|
| Hebei Education Edition Fourth Grade Mathematics Volume 1 | pptx | 6 MB |
"Dividing three-digit numbers by two-digit numbers (quotient adjustment)" PPT courseware
Description
"Dividing three-digit numbers by two-digit numbers (quotient adjustment)" PPT courseware
teaching objectives
1. Combined with specific examples, go through the process of learning the written calculation method of dividing three-digit numbers by two-digit numbers (requiring quotient adjustment).
2. Master the written calculation method of dividing three-digit numbers by two-digit numbers (one-digit quotient), and be able to perform calculations correctly.
3. Actively participate in mathematics learning activities, feel the challenge of mathematics learning in the process of trial business, and gain a successful experience.
The fourth grade students of Guangming Primary School will donate 196 books to children in mountainous areas.
Observe the situation diagram and talk about what mathematical information you discovered and the problems you want to solve?
(1) How about one pack of 20 books?
196÷20=____(bag)……____(book)
Think about it: How to calculate it?
There are 16 copies left, which are not suitable.
(2) One pack of 22 books, is that okay?
196÷22=____ (package)……____ (book)
There are 20 copies left, which are not suitable.
(3) For every 8 packages, can they be completely finished?
196÷28=____ (package)……____ (book)
Can pack 7 packs, just enough.
practice
1. First estimate the quotient of each of the following questions, and then calculate.
2. On average, how many pests can each frog eat in one hour?
3. How many balls can you buy with 300 yuan? How many yuan are left?
4. The school bought 280 bags of cement to pave the classroom floor. If 32 bags of cement are used to pave one classroom, how many classrooms can be paved with this cement?
280÷32＝8 (pieces)……24 (bags)
Answer: This cement can pave 8 classrooms.
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File Info
Update Time: 2024-07-01
This template belongs to Mathematics courseware Hebei Education Edition Fourth Grade Mathematics Volume 1 industry PPT template
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