"Integral Forms" Addition and Subtraction of Integral Forms PPT Courseware 3

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"Integral Forms" Addition and Subtraction of Integral Forms PPT Courseware 3

On the Qinghai-Tibet Railway, there is a long section of frozen land between Golmud and Lhasa. The train's traveling speed on frozen soil sections is 100 kilometers per hour, and its traveling speed on non-frozen soil sections can reach 120 kilometers per hour.

Please answer the following questions based on the information:

How many kilometers can the train travel in 2 hours when traveling on frozen ground? What about 3 hours? What about t hour?

Thinking: Fill in the blanks with expressions containing letters (complete independently), and observe what common features the listed expressions have (groups can communicate and discuss)

1. The surface area of ​​a cube with side length a is __ and its volume is __.

2. The unit price of pencils is x yuan, and the unit price of ballpoint pens is 2.5 times that of pencils. Then the unit price of ballpoint pens is _____ yuan.

3. The speed of a car is v kilometers per hour, and the distance it travels in t hours is __km.

4. The opposite of the number n is __.

5. The circumference of a circle with radius r is __________.

Test 3: Fill in the blanks with monomials and indicate their coefficients and degrees

1. Each package of books has 12 volumes, and n packages of books have ___ volumes.

2. The area of ​​a triangle with base length and height __ is _.

3. The length and width of a cuboid are __, the height is __, and its volume is _.

4. The original price of a TV is ____ yuan, and it is now sold at 10% off the original price. The current price of this TV is ____ yuan.

5. The length of a rectangle is ____ and the width is 0.9. The area of ​​this rectangle is _.

6. There are ____ students in Dongzhuang Middle School, and the total number of students in our school is __times, so our school has a total of ____ students.

7. The opposite number of number is _____.

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For more information about the PPT courseware "Addition and Subtraction of Integers", please click the "Addition and Subtraction of Integers ppt Integers ppt" tab.

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Update Time: 2024-07-01

This template belongs to Mathematics courseware People's Education Press Seventh Grade Mathematics Volume 1 industry PPT template

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