| Category | Format | Size |
|---|---|---|
| Qingdao Edition Third Grade Mathematics Volume 2 | pptx | 6 MB |
"My family bought a new house" PPT courseware 7
Description
"My family bought a new house" PPT courseware 7
1. Situation introduction
The new house has 6 rooms of different sizes.
Every room is rectangular.
Which area is larger, the dining room or the kitchen?
What questions can you ask based on this information?
What mathematical information do you know from the picture?
2. Cooperation and exploration
Which area is larger, the dining room or the kitchen?
Can you tell me what area is?
The size of the blackboard, classroom tabletop, and textbook cover is their area.
The size of rectangles and squares is also their area.
give it a try
First estimate the approximate area of the stamp in square centimeters, and then use a 1 square centimeter square to measure it.
A total of 12 small squares of 1 square centimeter are arranged, so the area of this stamp is 12 square centimeters.
Can you measure the area of the desk top using a square of 1 square decimeter?
Communicate your measurement methods and results with your classmates.
Groups of 4 students form a circle around a square with an area of about 1 square meter.
Think about it, how to enclose a square with an area of about 4 square meters? What about 16 square meters?
3. Independent practice
1. Which of the following figures has the largest area? Which one is smallest?
The largest area The smallest area
2. How many square centimeters of color plate are used for the following four letters?
9 square centimeters 10 square centimeters 5 square centimeters 9 square centimeters
3. Fill in the appropriate unit name in the brackets.
4. Each small grid below is 1 square centimeter. Please draw two figures with an area of 12 square centimeters on graph paper.
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For more information about the PPT courseware "My Family Bought a New House", please click the "My Family Bought a New House" ppt tag.
"My family bought a new house" PPT courseware 6:
"My Family Bought a New House" PPT Courseware 6 Class Objectives 1. Experience the process of exploring and deriving the formulas for calculating the area of rectangles and squares. 2. Master the formulas for calculating the area of rectangles and squares. (Key points) 3. Use the area calculation formulas of rectangles and squares to solve...
"My family bought a new house" PPT courseware 5:
"My Family Bought a New House" PPT Courseware 5 Learning Objectives: 1. Be able to distinguish the perimeter and area of rectangles and squares. 2. Be proficient in mastering and using the formulas for the perimeter and area of rectangles and squares to solve practical problems. 3. Cultivate a love for life. Focus: Plan...
"My family bought a new house" PPT courseware 4:
"My Family Bought a New House" PPT Courseware 4 Preview Outline 1. What is the area? What are the commonly used units of area? 2. Find an object in life with an area of approximately 1 square centimeter, 1 square decimeter, or 1 square meter. 3. Investigate the faces of some common objects from parents..
File Info
Update Time: 2024-07-11
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