"Oral Calculation and Estimation" PPT courseware on division of three-digit numbers by two-digit numbers

Description

"Oral Calculation and Estimation" PPT courseware on division of three-digit numbers by two-digit numbers

teaching objectives

In this lesson, we will mainly learn about the estimation of dividing three-digit numbers by two-digit numbers. Students must understand and master the estimation method of dividing three-digit numbers by two-digit numbers and be able to solve related practical problems.

Oral arithmetic practice

630÷90 320÷40

540 ÷60 270 ÷30

350÷70 720÷80

360 ÷60 140 ÷70

Both the dividend and the divisor are integers, and the dividend is an integer multiple of the divisor.

1. Li Hong, a student from Class 4 and 1 of Shahe School, scored a total of 268 points in the last semester's final test in Chinese, mathematics, and physical education. How many points are there in each subject?

2. There were 143 days in the last semester, and each week is calculated as 7 days. How many weeks were there in the last semester?

The food factory has 538 boxes of soy sauce, which must be shipped to the sales department.

①. If a truck is used to transport 62 boxes each time, how many times will it take to complete the shipment?

②. If a tractor is used to transport 49 boxes at a time, how many times will it take to complete the transport?

③. If a rickshaw is used to transport 12 boxes at a time, how many times will it take to complete the transport?

Group work exercises:

791 ÷83 635 ÷76

1190 ÷18 449 ÷49

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For more information about the PPT courseware "Division of three-digit numbers by two-digit numbers, verbal calculations and estimation", please click on the PPT tag of "Division of three-digit numbers by two-digit numbers, verbal calculations and estimation" PPT courseware.

"Oral Calculation and Estimation" Division of three-digit numbers by two-digit numbers PPT courseware 2:

"Oral Calculation and Estimation" Division of three-digit numbers by two-digit numbers PPT courseware 2 Teaching objectives In this lesson, we will learn the oral calculation and estimation of division. Students must master the oral calculation method of division when the divisor is an integer ten and whether the divisor is a non-integer ten. The estimation method of number division can solve...

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Update Time: 2024-11-21

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

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