"Organization and Review" PPT courseware for division of three-digit numbers by one-digit numbers

Description

"Organization and Review" PPT courseware for division of three-digit numbers by one-digit numbers

teaching objectives

1. Through systematic review, students can further master the oral calculation, written calculation and estimation methods of dividing three-digit numbers by one-digit numbers.

2. Be able to use various methods of dividing three-digit numbers by one-digit numbers to solve practical problems.

3. Be able to master some simple algorithms for dividing three-digit numbers by one-digit numbers.

Do the math:

490 ÷ 7.70 360 ÷ 6 = 60 630 ÷ 7.90

500 ÷ 5.100 240 ÷ 8.30 160 ÷ 4.40

150 ÷ ​​3.50 770 ÷ 7.110 840 ÷ 4.210

480 ÷ 6.80 900 ÷ 9.100 640 ÷ 8.80

Level 1: I am a little judge.

1.0 divided by any number is 0. � �

Dividing 2.0 by any number that is not 0 gives 0. � �

3. There is no "0" in the middle of the dividend, and there is no "0" in the middle of the quotient. � �

4. When a three-digit number is divided by a one-digit number, the quotient must be a three-digit number. � �

Level 2: I can estimate.

591 ÷ 3 ≈ 419 ÷ 6 ≈

248 ÷ 5 ≈ 317 ÷ 8 ≈

893 ÷ 9 ≈ 796 ÷ 4 ≈

Summary of this lesson

Master the oral calculation, written calculation and estimation methods of dividing three-digit numbers by one-digit numbers, and be able to perform calculations correctly.

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Update Time: 2024-10-05

This template belongs to Mathematics courseware Western Normal University Edition Third Grade Mathematics Volume 2 industry PPT template

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