"Commutative and Associative Laws of Multiplication" PPT courseware on the relationship between multiplication and division and the law of multiplication

Description

"Commutative and Associative Laws of Multiplication" PPT courseware on the relationship between multiplication and division and the law of multiplication

learning target:

1. Understand and master the meaning of the commutative law and associative law of multiplication.

2. Be able to use the commutative law and associative law of multiplication.

Self-study guide:

1. Self-study content: Contents on pages 33-35 of the textbook.

2. What are the commutative and associative laws of multiplication?

3. How do you use letters to represent the commutative and associative laws of multiplication?

Discussion at the same table:

In multiplication, how can we calculate the multiplication of three numbers? How else can it be calculated?

Warm up preparation:

25×4= 125×8= 25×8=

15×4= 12×5= 35×2=

Can you calculate it the easy way?

4×(16×25)

897×25×8

125×37×8

When multiplying three numbers, multiply the first two numbers first, or multiply the last two numbers first, and their product remains unchanged. This is the associative law of multiplication.

Can you express the associative law of multiplication in your favorite way?

(Number A × Number B) × Number C = Number A × (Number B × Number C)

Keywords: The relationship between multiplication and division and the law of multiplication courseware PPT, the commutative law and associative law of multiplication courseware PPT, Western Normal University edition fourth grade mathematics PPT courseware download, fourth grade mathematics slide courseware download, the relationship between multiplication and division and multiplication Download the PPT courseware on the laws of operation, download the PPT courseware on the commutative law of multiplication and the associative law, in .PPT format

For more information about the PPT courseware "The Commutative Law of Multiplication and the Associative Law of Multiplication and Division, the Relationship between Multiplication and Division, and the Law of Multiplication", please click the "Commutative Law of Multiplication and Associative Law ppt, The Relationship between Multiplication and Division, and the Law of Multiplication ppt" tag.

"Commutative and Associative Laws of Multiplication" Operational Law PPT Courseware:

"Commutative and Associative Laws of Multiplication" PPT courseware. Can you imitate the commutative law of addition and describe the commutative law of multiplication in your own language? Two addends exchange places, and the sum does not change. This is the commutative law of addition. a + b = b + a The two multipliers exchange places and the product remains unchanged..

"Commutative and Associative Laws of Multiplication" The relationship between multiplication and division and the law of multiplication PPT courseware 2:

"The Commutative Law of Multiplication and the Associative Law" The relationship between multiplication and division and the law of multiplication PPT courseware 2 The Commutative Law of Multiplication Can you imitate the commutative law of addition and describe the commutative law of multiplication in your own language? When two numbers are added, two additions are exchanged. The position of the number, and the sum remains unchanged. This is addition...

File Info

Update Time: 2024-10-19

This template belongs to Mathematics courseware Western Normal University Edition Fourth Grade Mathematics Volume 2 industry PPT template

Preview