| Category | Format | Size |
|---|---|---|
| Jiangsu Education Edition Sixth Grade Mathematics Volume 2 | pptx | 6 MB |
"Inversely Proportional Quantities" Direct Proportional and Inverse Proportional PPT Courseware
Description
"Inversely Proportional Quantities" Direct Proportional and Inverse Proportional PPT Courseware
1. What are the characteristics of a proportional quantity?
(1) Two related quantities.
(2) When one quantity expands, another quantity also expands; when one quantity shrinks, the other quantity also shrinks.
(3) The ratio of the two corresponding numbers in the two quantities is certain.
2. Are the following two quantities directly proportional?
(1) The quantity is certain, the unit price and the total price are certain.
(2) The length, perimeter and width of a rectangle are certain.
learning target:
1. Recognize inversely proportional quantities through specific problems and understand the meaning of inverse proportion.
2. Ability to judge whether two quantities are inversely proportional based on the meaning of inverse proportion.
3. Be able to find examples of inversely proportional quantities in life and communicate them.
Bottom area × height of water = volume of water (certain)
(1) The height of water and the bottom area are related quantities.
(2) The volume of water is constant, and the height of water changes with the change of the bottom area; as the bottom area increases, the height decreases, and as the bottom area decreases, the height increases.
(3) The product of the height of water and the area of the bottom is constant.
Like this, for two related quantities, if one quantity changes, the other quantity will also change. If the product of the two corresponding numbers in the two quantities is constant, the two quantities are called inversely proportional quantities. , their relationship is called an inverse proportional relationship.
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For more information about the PPT courseware "Quantities in direct proportion and inverse proportion", please click the Quantities in inverse proportion PPT tag.
File Info
Update Time: 2024-07-02
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