"Traveling to the Three Gorges" PPT courseware 3

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Qingdao Edition Fifth Grade Mathematics Volume 1	pptx	6 MB

"Traveling to the Three Gorges" PPT courseware 3

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Upload Time: 2024-11-12

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"Traveling to the Three Gorges" PPT courseware 3

1. Situation introduction

The gate is 38.5 meters high and 20.2 meters wide.

My door is 2.2 meters high

How many times the height of the gate is the height of my door?

There are 24 gates in the Three Gorges Permanent Ship Lock. The largest gate is 38.5 meters high and 20.2 meters wide, with an area nearly as large as two basketball courts. It is known as the "No. 1 Gate in the World."

What mathematical information do you know from the picture?

What questions can you ask based on this information?

2. Cooperation and exploration

How many times the height of the gate is the height of my door?

38.5÷2.2=17.5

Rice can be converted into centimeters and calculated by integer division:

38.5 meters = 385 decimeters

2.2 meters = 22 decimeters

385÷22 = 17.5

3. Independent practice

1. Connect the equations with the same result.

1.19÷1.7 0.119÷17

0.119÷1.7 11.9÷17

0.0119÷1.7 1.19÷17

2. A sharp eye distinguishes right from wrong.

3.1 A barrel of orange juice has 12.5 liters. If it is sold in one cup of 0.5 liters, how many cups can be filled in total?

12.5÷0.5 = 25 (cups)

Answer: A total of 25 cups can be filled.

Keywords: Three Gorges Tour teaching courseware, Qingdao edition fifth grade mathematics volume PPT courseware download, fifth grade mathematics slide courseware download, Three Gorges Tour PPT courseware download, .PPT format;

For more information about the "Visiting the Three Gorges" PPT courseware, please click the "Visiting the Three Gorges" ppt tab.

"Traveling to the Three Gorges" PPT courseware 7:

"Traveling to the Three Gorges" PPT courseware 7 1. Overall review Decimal multiplication Decimal multiplication of integers Decimal multiplication of decimal products Simple calculations of decimal multiplication Decimal division Decimal division by integer Decimal division by decimal Approximate value of quotient Recurring decimals Four mixed operations of decimals... ...

"Traveling to the Three Gorges" PPT courseware 6:

"Traveling to the Three Gorges" PPT courseware 6 1. Scenario introduction Shancheng Travel Agency has a total income of 525,000 yuan, and Sunshine Travel Agency has a total income of 476,000 yuan. During the Golden Week, the average daily income of Shancheng Travel Agency is how many thousand yuan more than that of Sunshine Travel Agency? What can you suggest based on this information...

"Traveling to the Three Gorges" PPT courseware 5:

"Traveling to the Three Gorges" PPT courseware 5 1. Situation introduction There are 8 pieces of bacon in a box and cost 97 yuan. How much does each piece of bacon cost on average? I bought 6 boxes of tea and spent a total of 350 yuan. How much does each box of tea cost on average? What mathematical information do you know from the picture? According to these letters...

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Update Time: 2024-11-12

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"Traveling to the Three Gorges" PPT courseware 3