"Cleaning" Decimal Division PPT (Lesson 1)

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"Cleaning" Decimal Division PPT (Lesson 1)

Part One: Introduction of New Course

The total cost of buying 6 brooms was 18.9 yuan. How much is each broom? Estimate it, do the math.

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The total cost of buying 6 brooms was 18.9 yuan. How much is each broom?

18.9 yuan = 18 yuan + 0.9 yuan

18÷6 = 3 (yuan)

0.9 yuan = 90 points

90÷6 = 15 (cents) = 0.15 (yuan)

3 + 0.15 = 3.15 (yuan)

How to continue counting? Think about it and talk about it.

Cleaning PPT, part 2: drill in class

1. Blue whales are the largest animals in the world, with some weighing up to 198t.

How much does an elephant weigh? Make an estimate, then use the vertical formula to calculate, and explain the meaning of each step in the vertical formula.

198 ÷ 36= 5.5(t)

Think of the remainder 18 as 180 0.1, and you can divide it.

2. Use the vertical formula to calculate and explain the meaning of each step in the vertical formula.

12.3÷2 20.7÷5 36.3÷3

30÷4 45.9÷6 42÷8

Cleaning PPT, Part 3: Class Summary

When a decimal is divided by an integer, there is a calculation method for the remainder after dividing to the last digit of the dividend: starting from the highest digit of the dividend, the decimal point of the quotient should be aligned with the decimal point of the dividend, and there is still a remainder after dividing to the last digit of the dividend, just after the remainder. Add 0 and continue dividing.

Cleaning PPT, part 4: homework after class

Complete the exercises in this lesson in the workbook.

Keywords: Beijing Normal University edition fifth grade mathematics PPT courseware free download, cleaning PPT download, decimal division PPT download, .PPT format;

For more information about the "Decimal Division Cleaning" PPT courseware, please click the Decimal Division PPT Cleaning PPT tab.

"Cleaning" Decimal Division PPT download:

"Cleaning" Decimal Division PPT Download Part One: Review knowledge. Do the math and discover the rules. 2709=( ) 279=( ) 350070=( ) 3500700=( ) 32080=( ) 328=( ) Summary of the rules: In division, the divisor remains unchanged..

"Cleaning" Decimal Division PPT Courseware (Lesson 2):

"Cleaning" Decimal Division PPT Courseware (Lesson 2) Part One Content: Classroom Introduction 1. Solve problems independently and learn that the divisor is an integer. When the number of digits to be divided is not enough, add 0 to continue the calculation of division. 2. Be able to be proficient in decimal division when the divisor is an integer. 3. Cultivate...

"Cleaning" Decimal Division PPT Courseware (Lesson 1):

"Cleaning" Decimal Division PPT Courseware (Lesson 1) Part One: Class Introduction 1. Solve problems independently and learn that the divisor is an integer. When the number of dividends is not enough, add 0 to continue the calculation of division. 2. Be able to be proficient in decimal division when the divisor is an integer. 3. Cultivate...

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Update Time: 2024-10-31

This template belongs to Mathematics courseware Beijing Normal University Edition Fifth Grade Mathematics Volume 1 industry PPT template

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