Western Normal University Edition First Grade Mathematics Volume 1
Beijing Normal University Edition Seventh Grade Mathematics Volume 1
People's Education Press First Grade Mathematics Volume 1
People's Education Press Second Grade Mathematics Volume 1
Beijing Normal University Edition Seventh Grade Mathematics Volume 2
People's Education Press Third Grade Mathematics Volume 1
Hebei Education Edition Third Grade Mathematics Volume 1
Beijing Normal University Edition Eighth Grade Mathematics Volume 1
Qingdao Edition Seventh Grade Mathematics Volume 1
Beijing Normal University Edition Fifth Grade Mathematics Volume 1
Hebei Education Edition Seventh Grade Mathematics Volume 2
People's Education High School Mathematics Edition B Compulsory Course 2
Beijing Normal University Edition Fifth Grade Mathematics Volume 2
Hebei Education Edition Fourth Grade Mathematics Volume 2
Qingdao Edition Seventh Grade Mathematics Volume 2
People's Education Press First Grade Mathematics Volume 2
Category | Format | Size |
---|---|---|
Qingdao Edition Second Grade Mathematics Volume 2 | pptx | 6 MB |
Description
"Love Action" PPT Courseware 5
Do you notice any characteristics of rectangles?
Opposite sides are equal
All four corners are right angles
Can you spot any characteristics of a square?
All four sides are equal
All four corners are right angles
Figures with four sides such as squares and rectangles are called quadrilaterals
Does that mean that a quadrilateral is a rectangle besides a square?
1. In the figure below, rectangle ( ) square ( )
2. Draw a rectangle with a side length of 6 cm and a width of 4 cm and a square with a side length of 4 cm.
3. Judgment
1. A quadrilateral with equal opposite sides is a rectangle.
2. The four sides of a square are equal and the four angles are right angles.
3. A hexagon must have 6 sides and 6 angles.
4. Only rectangles and squares are quadrilaterals.
5. A figure with four equal sides is a square.
6. Figures with right angles are all rectangles.
Quiz
Draw a rectangle 4 cm long and 2 cm wide and a square 2 cm wide.
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"Love Action" PPT courseware 7:
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"Love Action" PPT courseware 6:
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"Love Action" PPT courseware 4:
"Love Action" PPT courseware 4 1. Situation introduction What mathematical information did you discover from the picture? What questions can you ask based on this information? How to make a rectangular sign? 2. You ask me how to make a rectangular sign? Which rectangle...
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Update Time: 2024-10-21
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