"Multiplication in Tables" PPT courseware

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"Multiplication in Tables" PPT courseware

1. Review the meaning of multiplication

Can you name an example in life where 5×4=20 is used?

What are the names of the parts of multiplication?

This kind of addition with the same addends can be expressed as multiplication.

How many pieces of sugar are there in total and what formula can you list?

2. Review multiplication tables

Look at the two multiplication formulas listed in the picture and talk about which multiplication formula you use to find the product.

Observe carefully and fill in the corresponding products in the blanks.

1. Point to a product and state its corresponding multiplication formula.

2. Observe the numbers in each row or column to see what patterns you can find.

3. Practical application

(1) There are 3 rows of houses, each with 5 houses. How many houses are there in total?

Here's how I think about it: What's the sum of three 5's? Column formula:

5×3=15 (rooms)

(2) There are 2 rows of houses, one with 5 houses and the other with 3 houses. How many houses are there in total?

Here's how I think about it: Add 3 and 5. Column formula:

5+3=8 (rooms)

4. Consolidate practice

3×2＋3＝

2×4－2＝

5×5－5＝

4×3-4=

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Update Time: 2024-11-22

This template belongs to Mathematics courseware Hebei Education Edition Second Grade Mathematics Volume 1 industry PPT template

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