"Comparing Sizes" PPT download on understanding numbers within 100

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"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) Tennis is better than basketball ( ).

(4) Volleyball is better than basketball ( ).

Comparing size PPT, part 2: exploring new knowledge and concrete perceptions

Count how many yellow balls there are.

Guess how many blue balls there are, how did you guess?

15 blue balls and 10 yellow balls

Estimate how many red balls there are.

There are 58 red balls, 15 blue balls, and 10 yellow balls.

Which ball has the most? Which ball has the fewest?

58>15>10, there are the most red balls and the least yellow balls.

Compare any two bottles and use the words "more, more, more, less, less" to describe the result.

When comparing two numbers, when do you use "much more, much less"? When to use "more, less"?

According to the actual situation, if the difference between the two numbers is large, use "much more" or "much less"; when the two numbers are not very different, use "more" or "less".

Comparing size PPT, the third part: consolidating application, expanding and extending

1. 25 30 65

Say it in terms of "more, less, much more, much less."

The number of apples is more than that of peaches, and the number of pears is much more than that of peaches; the number of peaches is slightly less than that of apples, and the number of peaches is much less than that of pears.

2. Put a “√” under the appropriate answer.

Comparing size PPT, part 4: Class summary

According to the actual situation, if the difference between the two numbers is large, use "much more" or "much less"; when the two numbers are not very different, use "more" or "less".

Comparing size PPT, Part 5: Classroom exercises

1. Put a “√” under the appropriate answer.

2. Guess what this number might be? Put a "√" below.

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 on understanding numbers within 100:

"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:

"bigger..

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Update Time: 2024-10-03

This template belongs to Mathematics courseware People's Education Press First Grade Mathematics Volume 2 industry PPT template

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