| Category | Format | Size |
|---|---|---|
| People's Education Press First Grade Mathematics Volume 2 | pptx | 6 MB |
"The Order of Numbers" PPT on understanding numbers within 100
Description
"The Order of Numbers" PPT on understanding numbers within 100
The first part: Create a situation and introduce the hundreds table
Explore independently and feel the order of numbers
what have you found?
The 5 numbers in the first row are all even numbers, while the 5 numbers in the second row are all odd numbers.
They are arranged in order from smallest to largest.
What patterns did you discover?
The ones and tens digits of each number in this diagonal row are the same.
For the numbers on this diagonal line, the numbers in the tens place start from 1 and gradually increase by 1 to 9, while the numbers in the ones place are the opposite.
The sum of the numbers in the ones and tens places is 10.
Color the numbers with a 3 in the tens digit green; color the numbers with a 3 in the ones digit yellow.
Look sideways and look at the second line first. What do you find? Do other industries also have this pattern?
Starting from the second row, the tens digits of the first 9 numbers are all the same.
Look vertically, first look at the third column, what do you find? Are the other columns also following the same pattern?
The numbers in the units digit of each column are the same.
The order of numbers PPT, part 2: practical application, deepening perception
1. Connect the dots in order to form a picture.
2. Is 77 closer to 70 or 80? What about 72?
77 is closer to 80
72 is closer to 70
The sequence of numbers PPT, the third part: summary of the whole lesson to promote internalization
order of numbers
The next number in each row is 1 more than the previous number
The next number in each column is 10 more than the previous number
Sequence of numbers PPT, Part 4: Classroom exercises
1. Fill in 1. Fill in
1. The sum of 8 tens and 9 ones is ( ), and the two adjacent numbers are ( ) and ( ).
2. (2019·Zhangzhou, Fujian) Among the three numbers 65, 69, and 72, the number closest to 70 is ( ).
3. There are ( ) numbers between 86 and 92.
2. Find the rules and fill them in.
Keywords: Free download of PPT courseware for mathematics in the second volume of the first grade of the People's Education Press, PPT download of the order of numbers, PPT download of understanding of numbers within 100, .PPT format;
For more information about the PPT courseware "The Sequence of Recognizing Numbers Within 100", please click the Sequence of Recognizing Numbers Within 100 PPT tab.
"The Order of Numbers" PPT teaching courseware for understanding numbers within 100:
"The Order of Numbers" The first part of the PPT teaching courseware on understanding numbers within 100: Lesson objectives 1. Complete the organization of the hundreds table through independent exploration and cooperative communication, further understand the order, meaning and arrangement rules of numbers within 100, and consolidate How to read and write numbers. 2...
"The Order of Numbers" PPT download on the understanding of numbers within 100:
"The Order of Numbers" PPT Download on Understanding Numbers Within 100 Part One: Introduction of New Lesson Students, today I bring you a treasure map. There are many interesting secrets hidden here! Let’s take a look! ... ... ... The order of numbers PPT, part 2...
"The Order of Numbers" PPT:
"The order of numbers" PPT
Part 1: Fill in the blanks in numerical order.
Observe the numbers in the table. What do you find?
Looking sideways, the latter number is 1 more than the previous number.
Looking vertically, the previous number is 10 less than the next number. ..
File Info
Update Time: 2024-07-02
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