"Counting, Combinations of Numbers" PPT courseware on understanding numbers within 100

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"Counting, Combinations of Numbers" PPT courseware on understanding numbers within 100

1. Review introduction and reveal topics

(1) Conversation review and introduction of new lessons

We have already learned a lot of "numbers" in mathematics class. Let's recall which numbers we have learned.

(2) Perception of guessing numbers and revealing the topic

(3) Combine with reality and experience big numbers

Communication: 1. Recall, where have you seen numbers larger than 20 in your life? For example, feel the large numbers around you.

2. Reveal the topic: Today we will study "Understanding of Numbers Within 100".

2. Exploring counting and understanding the unit "hundred"

(1) Use learning tools to break through the number of turns

(2) Consolidate practice and cultivate estimation awareness

1. Circle 10 first, and then estimate how many there are in total.

2. Count how many there are actually.

3. Combine learning tools and understand composition

From your stick, take out 4 tens and 6 ones. What is the total?

I was talking with my classmates at the same table, how many tens is seven? What is the sum of 3 tens and 9 ones...

Homework: Find numbers within 100 around you. Exercise 8 on page 40, questions 9 and 11.

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For more information about the PPT courseware "Knowing Counting and Counting Combinations of Numbers Within 100", please click on the ppt tag of "Knowing Counting and Counting Combinations of Numbers Within 100".

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Update Time: 2024-11-24

This template belongs to Mathematics courseware People's Education Press first grade mathematics volume 2 industry PPT template

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