Solve exercises on page 119 of Math textbook 3

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Ngày cập nhật gần nhất: 15/4/2026

Through solving exercises on page 119 of Math textbook 3, dividing four-digit numbers by single-digit numbers (next, lesson 3), students will further reinforce their understanding and skills in solving exercises involving division of four-digit numbers by single-digit numbers.

1. Solve exercise 1 on page 119 of Math textbook 3

Problem:

Set up and solve:
a) 3224 ÷ 4; b) 2819 ÷ 7
1516 ÷ 3; 1865 ÷ 6

Solution Method:

- Set up the division vertically

- Solve: Perform division of numbers from left to right.

Answer:

2. Solve exercise 2 on page 119 of Math textbook 3

Problem:

Answer:

The length of repaired road is:
1215 ÷ 3 = 405 (m)
The remaining length of road to be repaired is:
1215 - 405 = 810(m)
Answer: 810 m.

3. Solve exercise 3 on page 119 of Math textbook 3

Problem:

Fill in D or S in the blank cells:

Answer:

a) D b) S c) S.

In the Math 3 curriculum, solving exercises on page 72 of Math textbook 3 is one of the crucial aspects that students need to focus on and enhance to improve their Math 3 skills.

Furthermore, solving exercises on page 73 of Math textbook 3 is an important lesson in the Math 3 curriculum that students need to pay special attention to.

Frequently Asked Questions

What skills can students reinforce by solving exercises on page 119 of Math textbook 3?

By solving exercises on page 119 of Math textbook 3, students can reinforce their understanding and skills in dividing four-digit numbers by single-digit numbers, improving their overall division proficiency.

How do you set up and solve division problems in Math textbook 3?

To set up and solve division problems in Math textbook 3, write the division vertically and perform the calculations from left to right, ensuring clarity and accuracy in the process.

What is the result of dividing 1215 by 3 in the Math textbook 3 exercises?

The result of dividing 1215 by 3 is 405 meters. This calculation also helps determine that the remaining length of road to be repaired is 810 meters.

Why is solving exercises on page 72 and 73 of Math textbook 3 important for students?

Solving exercises on pages 72 and 73 of Math textbook 3 is crucial for enhancing students' math skills, as these exercises focus on foundational concepts that are essential for mastering the curriculum.

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