"Dividing three-digit numbers by one-digit numbers" Dividing two and three-digit numbers by one-digit numbers PPT courseware 2

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"Dividing three-digit numbers by one-digit numbers" Dividing two and three-digit numbers by one-digit numbers PPT courseware 2

Level 1: I can count. Oral calculation.

600÷2= 500÷5=

200÷4= 400÷8=

Level 2: I can estimate.

It is estimated that there are dozens (or hundreds) of quotients each.

46÷2= 46÷3=

632÷2= 574÷3=

312÷4= 738÷2=

What's the difference between them?

The number in the highest digit of the dividend of 312÷4 is smaller than the divisor

The number in the highest digit of the dividend of 738÷2 is greater than the divisor

What should you pay attention to when dividing two or three digits by one digit?

1. Divide from the high digit of the dividend, one digit is not enough to cover two digits.

2. Whichever one is excluded, the quotient is written on that one.

3. If there is a remainder in any digit, add the numbers in the next digit and continue dividing.

4. Each time the remaining number will be smaller than the divisor.

Compare: What is the difference between today’s division and the previously learned division of a three-digit number by a one-digit number?

When a three-digit number is divided by a one-digit number, the quotient is a two-digit number.

1. Divide from the highest digit of the dividend. If one digit is not enough, look at two digits.

2. Write the quotient above the digit of the dividend you divide.

3. If there is a remainder in any digit, add the numbers in the next digit and continue dividing.

4. Every time the remainder must be smaller than the divisor.

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Update Time: 2024-09-09

This template belongs to Mathematics courseware Jiangsu Education Edition Third Grade Mathematics Volume 1 industry PPT template

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