"Estimation of dividing two-digit numbers by one-digit numbers" Division of two-digit numbers by one-digit numbers PPT courseware

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"Estimation of dividing two-digit numbers by one-digit numbers" Division of two-digit numbers by one-digit numbers PPT courseware

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"Estimation of dividing two-digit numbers by one-digit numbers" Division of two-digit numbers by one-digit numbers PPT courseware

Estimate

59×3≈91×7≈

46×8≈ 32×5≈

Thinking: Compare the two factors of the above equations, what do you find they have in common?

Oral calculation

40÷4= 80÷4=

90 ÷3= 80 ÷2=

20 ÷4= 50 ÷5=

Estimate:

88÷3≈ 61÷2≈

43÷5≈ 41÷4≈

93÷9≈ 56÷3≈

78÷4≈ 82÷8≈

33÷4≈ 73÷9≈

How to estimate a two-digit number divided by a one-digit number:

Think of the two-digit number in the formula as the number that is closest to the original number and can be solved using the knowledge of table division. Then divide it by one digit, and the quotient obtained is the estimated result.

Class summary

(1) What did you gain from studying this class?

(2) What is the method for estimating two-digit numbers divided by one-digit numbers?

Keywords: Division courseware for dividing two-digit numbers by one-digit numbers, estimating courseware for dividing two-digit numbers by one-digit numbers, Western Normal University version third-grade mathematics volume PPT courseware download, third-grade mathematics slide courseware download, two-digit numbers Download PPT courseware on division by one digit, download PPT courseware on estimation of two digits divided by one digit, in .PPT format;

For more information about the PPT courseware "Division of two digits divided by one digit, estimation of division of two digits by one digit", please click Division of two digits divided by one digit ppt Division of two digits divided by one digit Estimate ppt labels.

"Estimation of dividing two-digit numbers by one-digit numbers" Division of two-digit numbers by one-digit numbers PPT courseware 2:

"Estimation of dividing two-digit numbers by one-digit numbers" Division of two-digit numbers by one-digit numbers PPT courseware 2 Teaching objectives In this lesson, we mainly learn the estimation of division of two-digit numbers by one-digit numbers. Through learning activities, Enable students to master the estimation method of dividing a close ten number by a single digit..

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Update Time: 2024-09-30

This template belongs to Mathematics courseware Western Normal University Edition Third Grade Mathematics Volume 1 industry PPT template

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