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Category | Format | Size |
---|---|---|
Hebei Education Edition Sixth Grade Mathematics Volume 2 | pptx | 6 MB |
Description
"Understanding Negative Numbers in Life" PPT
Part One Content: New Knowledge Exploration
Air temperature: refers to the temperature of the air.
Temperature: Indicates the degree of hot and cold. The unit of measurement is degrees Celsius, represented by the symbol "℃".
Temperatures lower than 0°C are called subzero temperatures.
Temperatures higher than 0°C are called subzero temperatures.
If the temperature is lower than 0℃, add "-" before the value.
For example: -3℃ means 3℃ lower than 0℃, and is read as minus 3 degrees or minus 3 degrees.
If the temperature is higher than 0℃, add "+" before the number, and generally omit it.
For example: 17℃ means 17℃ higher than 0℃, which is read as 17 degrees above zero or 17 degrees.
Understanding Negative Numbers in Life PPT, Part 2: Consolidation Practice
practice
1. Read the temperature below.
27℃ -11℃ 95℃ -24℃
27℃ is read as: 27 degrees above zero
-11℃ pronounced as: minus 11 degrees
95℃ is read as: 95 degrees above zero
-24℃ pronounced as: minus 24 degrees
2. Write the temperature below.
31 degrees above zero Writing: 31℃
minus 45 degrees writing: -45℃
minus 12 degrees writing: -12℃
Class summary
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File Info
Update Time: 2024-11-22
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