"Visiting Beijing" PPT courseware 2

Description

"Visiting Beijing" PPT courseware 2

Review the past and learn the new

1. Oral answer:

What is the largest single digit? 9

What is plus 1? 10

How many numbers is it? two digits

2. Count:

Count ten by ten, from 10 to 100;

Five by five, counting from 50 to 95;

Count one by one, from 90 to 99.

What is 99 plus 1? How many numbers is it?

When writing three-digit numbers: write the hundreds first, write the number in the hundreds place if there are hundreds, write the tens place if there are tens, write the ones place if there are ones, if the number is all There is no need to use 0 placeholders.

Writing: 1 9 8

Read: one hundred and ninety-eight

There are ( ) hundreds, ( ) tens, and ( ) ones in 198.

Dial the counter from one hundred and ninety-eight to two hundred and one.

When reading three digits: start from the high digit and read the hundreds digit first. If there is no middle digit, read zero. If there is a 0 at the end, no matter how many digits there are, do not read.

independent practice

1. Dial, place, and fill.

( ) hundreds, ( ) tens and ( ) one, together they are ( ).

( ) hundreds, ( ) tens and ( ) one, together they are ( ).

( ) hundred and ( ) one, together they are ( ).

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"Visiting Beijing" PPT courseware 7:

"Visiting Beijing" PPT courseware 7 Deskmate cooperation: 1. One person dials out a learned number on the counter; 2. The deskmate dials out a number with different digits; 3. Compare the two numbers; 4. Put The activity results are filled in the record sheet (1). Compare two numbers with different digits..

"Visiting Beijing" PPT courseware 6:

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"Visiting Beijing" PPT courseware 5:

"Visiting Beijing" PPT courseware 5 1. Situation introduction One hundred and ninety-eight students came to Beijing. How big is one hundred and ninety-eight? About a thousand students watched the flag-raising ceremony. How big is a thousand? There are 200 parking spaces in the parking lot. The shape of the flower bed took 800...

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Update Time: 2024-09-05

This template belongs to Mathematics courseware Qingdao Edition Second Grade Mathematics Volume 2 industry PPT template

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