| Category | Format | Size |
|---|---|---|
| People's Education Press First Grade Mathematics Volume 2 | pptx | 6 MB |
"Comparing Sizes" PPT on understanding numbers within 100
Description
"Comparing Sizes" PPT on understanding numbers within 100
The first part: Create a situation and introduce the comparison of numbers
Do you know which book is expensive and which is cheap?
65 yuan 48 yuan
Comparing size PPT, part 2 content: independent learning, exploring methods of comparing numbers
Compare
42 37
What are the methods?
01Put a small stick.
02 Compare based on the composition of numbers.
42 has 4 tens and 2 ones.
37 has 3 tens and 7 ones.
03Compare according to the order of numbers.
42 is behind 37.
How to compare two-digit numbers:
(1) First look at the number in the tens place. The larger the number in the tens place, the greater the number;
(2) If the numbers in the tens digit are the same, then compare the numbers in the ones digit. If the number in the ones digit is larger, the number is larger.
Comparing size PPT, the third part: consolidating practice and strengthening new knowledge
1. Fill in ○ with “＞”, “＜” or “=".
29○30 81○18
2. Fill in ○ with “＞”, “＜” or “=".
41○45 68○78 69○69
57○56 80○90 98○89
3. Deliver letters.
4. Place the card on ____ as required.
Comparing size PPT, part 4: Class summary
compare size(1)
42>37 23<25
(1) First look at the number in the tens place. The larger the number in the tens place, the greater the number;
(2) If the numbers in the tens digit are the same, then compare the numbers in the ones digit. If the number in the ones digit is larger, the number is larger.
Keywords: Free download of PPT courseware for mathematics in the second volume of the first grade of the People's Education Press, download of comparison PPT, download of understanding of numbers within 100 PPT, .PPT format;
For more information about the PPT courseware "Understanding and Comparing Sizes of Numbers Within 100", please click on the PPT Comparison of Sizes and Comparisons of Numbers Within 100 tab.
"Comparing Sizes" PPT teaching courseware for understanding numbers within 100:
"Comparing Sizes" PPT teaching courseware on understanding numbers within 100
Part One: Review Import
1. The two-digit numbers whose tens digit is 7 are 70, 71, 72, 73, 74, 75, 76, 77, 78, 79
2. The number that is one more than 79 is ( ); the number that is one less than 79 is (..
"Comparing Sizes" PPT download of understanding numbers within 100:
"Comparing Sizes" PPT download on understanding numbers within 100
The first part: Creating the situation and preliminary perception
Compare the sizes of these three balls.
(1) Basketball is better than tennis ( ).
(2) Basketball is better than volleyball ( ).
(3..
"Comparing Size" PPT:
"bigger..
File Info
Update Time: 2024-07-02
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