| Category | Format | Size |
|---|---|---|
| Qingdao Edition Fourth Grade Mathematics Volume 2 | pptx | 6 MB |
"Skillful Little Craftsman" PPT courseware 6
Description
"Skillful Little Craftsman" PPT courseware 6
1. Situation introduction
What shape is an easel and what are its characteristics?
What questions can you ask?
2. Cooperation and exploration
What shape is the easel?
The easel is trapezoidal.
Think about it, where are the trapezoids in life?
What are the characteristics of a trapezoid?
Based on the research experience of parallelograms, from what aspects can we study the characteristics of trapezoids?
We study the characteristics of a trapezoid in terms of its sides and angles.
An exploration of trapezoidal characteristics
Group work requirements
1. Use the learning tools in hand to study from the sides and corners.
2. As a group, organize the research results in a record sheet.
A trapezoid is also a quadrilateral.
This set of opposite sides is obviously not parallel
There are 4 sides, and the opposite sides are not equal.
There are 4 angles, and the opposite angles are not equal.
3. Independent practice
1. Fill in the blanks according to the graphic requirements.
(1) The parallelogram has ( ).
(2) The trapezoid has ( ).
(3) The isosceles trapezoid has ( ).
(4) A right-angled trapezoid has ( ).
2. Think about the relationship between quadrilateral, parallelogram, trapezoid, isosceles trapezoid and right-angled trapezoid? Can you fill them in the picture below?
3. Measure the upper base, lower base and height of each trapezoid.
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For more information about the "Skillful Little Craftsman" PPT courseware, please click on the "Skillful Little Craftsman" ppt tag.
"Skillful Little Craftsman" PPT courseware 7:
"Skillful Little Craftsman" PPT courseware 7 1. Situation introduction What is the shape of a clothes hanger and what are its characteristics? What questions can you ask? 2. Collaborative exploration What shape is a clothes hanger? Think about it, where are parallelograms in life? What are the parallelograms?
"Skillful Little Craftsman" PPT courseware 5:
"Skillful Little Craftsman" PPT courseware 5 1. Situation introduction 2. Collaborative exploration Can you classify triangles? Thinking: 1. According to what standards? 2. Which triangles belong to the same type, and what are their characteristics? Classification by angles One angle is a right angle, a right triangle...
"Skillful Little Craftsman" PPT courseware 4:
"Skillful Little Craftsman" PPT Courseware 4 1. Review Think about the plane graphics we have learned before? Two: Picture Appreciation Three: Collaborative Exploration Think about it: Are triangles so widely used in our lives? Triangles are stable. Draw a self in your exercise book..
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Update Time: 2024-07-04
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