"Simple Arrangement" Mathematical Wide Angle - PPT

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"Simple Arrangement" Mathematical Wide Angle—With PPT

Part One: Introduction of New Knowledge

give it a try

Cut some rectangular pieces of paper of the same size, write "1", "2" and "3" on them, put them around and see what numbers you know they can form.

Can be formed into 12, 32...

Simple arrangement PPT, part 2 content: course teaching

Do it:

Use 1, 2 and 3 to form a two-digit number. The number in the tens digit and the number in the units digit of each two-digit number cannot be the same. How many two-digit numbers can be formed?

Can form 12, 23...

I'm a little confused, is there any solution?

Think about it:

If we first determine the numbers in the tens place and then match them with the numbers in the ones place, can we avoid confusion? Give it a try!

The tens place is 1, the ones place can be 2 or 3, and the number formed is and

The tens place is 2, the ones place can be 1 or 3, and the number formed is and

The tens place is 3, the ones place can be 1 or 2, and the number formed is and

Simple arrangement PPT, the third part: practice in class

Solve the problem

How many ways are there for two students to stand in a row and take a photo?

There are 2 ways to stand.

If three students stand in a row for a group photo, how many ways are there?

There are 6 ways to stand in total.

Xiao Ming has three postcards. He plans to choose 2 of them and give one to Xiao Li and one to Xiao Qing. How many ways are there in total?

Simple arrangement PPT, part 4 content: Class summary

Classmates, what did you gain from today’s study?

I see……

Keywords: Free download of second-grade mathematics PPT courseware from People's Education Edition, simple arrangement PPT download, mathematics wide-angle matching PPT download, .PPT format;

For more information about the PPT courseware "Mathematics Wide Angle Collocation and Simple Arrangement", please click the Mathematics Wide Angle Collocation PPT Simple Arrangement PPT tab.

"Simple Arrangement" Mathematics Wide Angle - with PPT courseware:

The first part of the "Simple Arrangement" mathematics wide-angle matching PPT courseware: exciting introduction. The three little hedgehogs, the little ducks and the little chickens are good friends. They were going to visit Dr. Penguin's house today, but they were halfway through when they suddenly stopped. It started to rain, but they only brought two handfuls...

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Update Time: 2024-11-17

This template belongs to Mathematics courseware People's Education Press Second Grade Mathematics Volume 1 industry PPT template

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