| Category | Format | Size |
|---|---|---|
| Beijing Normal University seventh grade first volume mathematics | pptx | 6 MB |
"Equations in the Calendar" PPT courseware for linear equations of one variable
Description
"Equations in the Calendar" PPT courseware for linear equations of one variable
Discuss:
(1) Looking at the calendar of a certain month, what is the relationship between three adjacent numbers in a vertical column?
(2) If one of the numbers is X, how do you represent the other two numbers? How do you set up the unknowns?
(3) Based on the unknown number
(4) If the sum stated is 75, do you think it is possible? Why?
(5) If the sum stated is 21, do you think it is possible? Why?
Do it
(1) Each person prepares a calendar and randomly circles 4 adjacent numbers in a vertical column on their respective calendars. The two told their partner the sum of the four numbers they circled, and the partner found the four numbers.
(2) On their respective calendars, use a square to circle any 2×2 numbers (such as 10, 11, 17, 18), tell their sum to your partner, and let your partner find these 4 numbers.
give it a try
1. A three-digit number. The sum of the numbers in the three digits is 17. The number in the hundreds place is 7 greater than the number in the tens place. The number in the ones place is 3 times the number in the tens place. Find this three-digit number. number.
2. Use a rectangular frame to frame certain three dates in the calendar. It is known that the sum of these three dates is 57. Can you find out the dates of these three days?
3. Xiao Ming’s father wants to take an exam for Xiao Ming, who is in seventh grade. Xiao Ming’s father said to Xiao Ming: “I will be on a business trip for 8 days next month. The sum of the dates of these 8 days is 116. Please figure out what day I will leave. "?" Please help Xiao Ming calculate what day Xiao Ming's father will leave?
Keywords: linear equations in one variable courseware, equations in the calendar courseware, Beijing Normal University edition seventh grade mathematics volume PPT courseware, seventh grade mathematics slide courseware download, linear equations in one variable PPT courseware download, equations in the calendar PPT courseware download, .ppt Format
For more information about the "Equations of a linear equation in a calendar" PPT courseware, please click the "Equations of a linear equation in a linear ppt calendar" ppt tag.
"Equations in the Calendar" linear equation of one variable PPT courseware 3:
"Equations in the Calendar" PPT courseware for linear equations of one variable 3 One day, the great magician met the little snowman and started a conversation about the calendar. If you randomly circle three adjacent dates on the same vertical column on the calendar and tell me their sum, I can...
"Equations in the Calendar" linear equation of one variable PPT courseware 2:
"Equations in the Calendar" PPT courseware for linear equations of one variable 2 Questions 1. What is the relationship between three adjacent numbers in a vertical column? 2. If one of the numbers is , how to express the other two numbers? 3. If the sum of three numbers is 60, please list the equations and solve these three...
File Info
Update Time: 2024-07-03
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