"Understanding of Numbers Within 10,000" PPT courseware download (Lesson 2)

Description

"Understanding of Numbers Within 10,000" PPT courseware download (Lesson 2), 15 pages in total.

New course introduction

A city with four walls,

A bunch of jewels are hidden inside.

If you pull it out with your little hands,

There was a continuous crackling sound.

Explore new knowledge

The surroundings of the abacus are called frames, the small sticks are called gears, and a beam divides the upper and lower parts;

The upper part of the beam is the upper bead, and the lower part of the beam is the lower bead;

An upper bead represents 5 and a lower bead represents 1.

Consolidation exercises

1. Connect the same numbers.

2. Write the numbers and read them.

Discuss the composition of each number with your deskmate.

3. Tell the composition of each number below and read it again.

Class summary

1. Each gear on the abacus represents a digit.

2. When counting, you must first determine which gear is used as the ones digit, and then from right to left are the tens, hundreds, and thousands...

3. When counting, the beads must be placed against the beam to indicate that there is a number on the abacus; when the beads are all against the frame, it indicates that the abacus has not been placed, which is also called clearing.

4． To express the numbers on the abacus: when dialing the number, start from the high position, dial the number on the high position, and then dial on the lower position.

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"Understanding of Numbers Within 10,000" PPT courseware download (Lesson 1):

"Understanding of Numbers Within 10,000" PPT courseware download (Lesson 1), 14 pages in total. New lesson introduction 1. 10 ones are ( ), 10 tens are ( ), and 10 hundreds are ( ). 2. The fifth number after nine hundred and eighty-seven is ( ). 3. With six hundred and eighty-nine...

"Understanding of Numbers Within 10,000" PPT on Understanding Numbers Within Ten Thousands (Lesson 7):

"Understanding of Numbers Within 10,000" PPT on Understanding Numbers Within Ten Thousands (Lesson 7) Part One: Learning Objectives 1. Through exercises, students will further master the sequence table of digits and the methods of writing and reading numbers within ten thousand, and be able to read proficiently Write numbers up to 10,000. 2. Enable students to...

"Understanding of Numbers Within 10,000" PPT on Understanding Numbers Within Ten Thousands (Lesson 6):

"Understanding of Numbers Within 10,000" PPT on Understanding Numbers Within Ten Thousands (Lesson 6) Part One: Learning Objectives 1. Let students understand the meaning of approximate numbers through specific situations, appreciate the role of approximate numbers in life, and combine it with practice Make an estimate. By independent guessing..

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Update Time: 2024-11-29

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

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