Solving Exercise 2 on Page 43 of Math Book Grade 4

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Ngày cập nhật gần nhất: 15/4/2026

Solving Exercise 2 on page 43 of the 4th-grade math book within the Commutative Property of Addition: Fill in the blanks with appropriate numbers or words:

Guidance for solving Exercise 2 on page 43 of Math Book Grade 4

Problem Statement:
Fill in the blanks with the appropriate numbers or words:
a) 48 + 12 = 12 + ... b) m + n = n + ...
65 + 297 = ... + 65 84 + 0 = ...+ 84
.... + 89 = 89 + 177 a + 0 = ...+ a = ...

Solution Method:
Students apply the commutative property of addition: Rearranging the terms in a sum does not change the sum.

Answer:
Applying the commutative property of addition, we have:
a) 48 + 12 = 12 + 48 b) m + n = n + m
65 + 297 = 297 + 65 84 + 0 = 0 + 84
177 + 89 = 89 + 177 a + 0 = 0 + a = a

Section solving exercises page 43 math 4, Commutative Property of Addition consists of 3 exercises. Continuing with the solution to Exercise 2 on page 43 of the 4th-grade math book. Mytour provides suggested answers and detailed solution methods for Solving Exercise 1 Page 43 Math Book Grade 4 and Solving Exercise 3 Page 43 Math Book Grade 4. Students should grasp the knowledge from this lesson.

Frequently Asked Questions

What are the key principles of the Commutative Property of Addition for 4th graders?

The key principles of the Commutative Property of Addition for 4th graders emphasize that changing the order of addends does not affect the sum. For example, 48 + 12 equals 12 + 48, showcasing that the result remains constant regardless of the order of numbers. Understanding this concept helps students simplify calculations and recognize patterns in addition.

How can students effectively solve Exercise 2 on page 43 of their math book?

Students can effectively solve Exercise 2 by applying the Commutative Property of Addition. They should rearrange the numbers as needed to fill in the blanks correctly. For instance, in the statement 48 + 12 = 12 + ____, students should recognize that the answer is 48. This practice reinforces their understanding of the property and enhances their problem-solving skills.

What types of exercises are included in the Commutative Property section of the math book?

The Commutative Property section includes three exercises that require students to fill in the blanks with appropriate numbers or words. These exercises challenge students to apply the principle that the order of addends does not change the sum, promoting their comprehension and application of the property in various scenarios.

Why is it important for students to learn the Commutative Property of Addition in 4th grade?

Learning the Commutative Property of Addition is important for 4th graders because it lays the foundation for understanding more complex mathematical concepts. This property helps students simplify addition problems, enhances their ability to perform mental math, and builds their confidence in tackling higher-level math tasks in the future.

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