"Application of Positive and Negative Numbers (1)" PPT

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Hebei Education Edition Sixth Grade Mathematics Volume 2	pptx	6 MB

"Application of Positive and Negative Numbers (1)" PPT

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Upload Time: 2024-10-01

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"Application of Positive and Negative Numbers (1)" PPT

Part One: Review old knowledge

1. Readings, which ones are positive and which are negative.

-8 -28 0 +81 +65

2. One evening, the temperature in Huangshan Mountain dropped by 7 degrees Celsius from 2 degrees Celsius above zero in the morning. The temperature in Huangshan Mountain that evening was ______ degrees Celsius.

New knowledge exploration

Turpan Basin is approximately 155 meters lower than sea level, recorded as -155 meters.

What did you discover from the picture?

The basement of a building can be represented by -1.

What did you discover from the picture?

PPT on the application of positive and negative numbers, part 2: consolidation practice

1. Fill in the blanks.

(1) A weight loss of 3 kilograms can be recorded as ________; a weight gain of 2 kilograms can be recorded as ________.

(2) If the river water drops by 10 mm, it can be recorded as ________; if the river water rises by 15 mm, it can be recorded as ________.

2. Based on the table below, write down the income and expenditure of Liangliang’s family in September.

Mom and dad’s salary is ________, food expenses are ________, bonuses are ________, water and electricity bills are ________, and books purchased are ________.

Keywords: Free download of Hebei Education Edition mathematics PPT courseware for sixth grade volume 2, application of positive and negative numbers PPT download, .PPT format;

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"Application of Positive and Negative Numbers (2)" PPT:

"Application of Positive and Negative Numbers (2)" PPT Part One Content: Review old knowledge and explore new knowledge choices. If progress, income and profit are stipulated as positive, then which of the following statements is wrong ( ). A. -18 meters means retreating 18 meters B. -80 yuan means profit of 80 yuan C...

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Update Time: 2024-10-01

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"Application of Positive and Negative Numbers (1)" PPT