| Category | Format | Size |
|---|---|---|
| Beijing Normal University Edition Fifth Grade Mathematics Volume 2 | pptx | 6 MB |
"Number of Stamps" Use Equations to Solve Problems PPT
Description
"Number of Stamps" Use Equations to Solve Problems PPT
Part One: Review Import
We have learned about equations before. Students, think about what an equation is?
Ask the students to observe the situation picture and talk about what mathematical information is in the picture? What's the relationship between this information? What questions can you ask?
Number of stamps PPT, part 2: exploring new knowledge
My brother and sister don’t know the number of stamps they have, what should I do?
Which unknown is set to x and why?
Find the equivalent relationship
Number of stamps for sister + number of stamps for brother = 180
Number of stamps for sister = number of stamps for brother × 3
Can you draw a line graph to show the relationship between the number of stamps given to your sister and brother?
Can students use the above equivalent relationships and line segment diagrams to list equations and solve them?
How to set up unknowns? Is it OK to assume an unknown number?
According to the line segment diagram, the number of stamps for the younger brother can be set to x, and the number of stamps for the sister is 3x.
Number of stamps PPT, part 3: Consolidation exercises
Solving equations.
2x +x＝3 2x +3x＝70 5y +y＝96
4m－m＝3 3n－n＝50 6x −3x＝4.8
Number of stamps PPT, part 4 content: Class summary
Tell us what you gained from studying this lesson.
Keywords: Free download of Beijing Normal University edition fifth grade mathematics PPT courseware for the second volume, number of stamps PPT download, use of equations to solve problems PPT download, .PPT format;
For more information about the PPT courseware "Using Equations to Solve Problems Number of Stamps", please click the PPT tab of "Using Equations to Solve Problems PPT Number of Stamps".
"Number of Stamps" Use Equations to Solve Problems PPT Download:
"Number of Stamps" Use Equations to Solve Problems PPT Download Part One: Learning Objectives 1. Learn to solve equations of the type axx=b, and further understand the meaning of equations. (Key points) 2. Use different methods to formulate equations based on different equivalence relationships, and use equations...
"Number of Stamps" Using Equations to Solve Problems PPT Courseware 3:
"Number of Stamps" Use Equations to Solve Problems PPT Courseware 3 Oral Calculation: Tell the solution to the equation. 6m=42 4x=20 9y=54 24n=96 3y=45 4y=36 5n=50 4m=100 ... ... ... Quick answer: 2m-m= 4y+3y= x+x= y+2y = 6m-m= 9n-3n= y+y= 2..
"Number of Stamps" Using Equations to Solve Problems PPT Courseware 2:
"Number of Stamps" Using Equations to Solve Problems PPT Courseware 2 How many stamps do each brother and sister have? Try to solve it using equations. The number of stamps for sister = the number of stamps for brother 3 The number of stamps for brother + the number of stamps for sister = 180 ... ... ... 1. According to the following...
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Update Time: 2024-07-29
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