"Dividing three-digit numbers by one-digit numbers" Dividing two or three-digit numbers by one-digit numbers PPT courseware 3

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"Dividing three-digit numbers by one-digit numbers" Dividing two or three-digit numbers by one-digit numbers PPT courseware 3

4×70=280, 4×80=320, 312 is larger than 280 and smaller than 320, so the quotient of 312÷4 is about 70.

Rule for dividing three-digit numbers by one-digit numbers

To divide a three-digit number by a one-digit number, first divide from the highest digit (hundreds digit) of the dividend. When the highest digit (hundreds digit) of the dividend is not enough to quotient 1, use its first two digits to divide until the highest digit (hundreds digit) of the dividend is reached. Which one, write the quotient on that one.

Use vertical calculations and check.

(1)378÷2 378÷6

(2)532÷4 532÷7

(3) 465÷3 465÷5

(4)846÷6 846÷9

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Update Time: 2024-11-02

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