Solving exercises on page 155 of the Math 3 textbook

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Ngày cập nhật gần nhất: 15/4/2026

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Solution to exercise 2 on page 155 of the Math 3 textbook

Solution to exercise 3 on page 155 of the Math 3 textbook

Solution to exercise 4 on page 155 of the Math 3 textbook

Students have been introduced to reading and writing numbers within the range of 100,000. In today's Math 3 exercise solution on page 155, let's delve into the addition of numbers within the range of 100,000 to understand the rules and how to solve this type of problem.

Solution to exercise 1 on page 155 of the Math 3 textbook

Problem:

Answer:

Solution to exercise 2 on page 155 of the Math 3 textbook

Problem:

Set up the calculation and then solve:

a) Solve the addition: 18257 + 64439 b) Calculate: 35046 + 26734

Find the sum: 52819 + 6546 2475 + 6820

Answer:

Solution to exercise 3 on page 155 of the Math 3 textbook

Problem:

Calculate the area of rectangle ABCD (dimensions as shown in the diagram)

Answer:

Solution to exercise 4 on page 155 of the Math 3 textbook

Problem:

The segment AB measures 2350m, and the segment CD is 3km long. These two segments share a bridge from C to B with a length of 350m. Calculate the length of the road from A to D.

Answer:

Convert 3km to 3000m

The segment AC has a length denoted by the variable m:

2350 - 350 = 2000 (m)

So, the segment AD has a length in terms of m:

2000 + 3000 = 5000 (m)

Answer: 5000 m

After adding numbers within the range of 100,000, the next content will be solving exercises on page 156 of the Math 3 textbook and subtraction of numbers within the range of 100,000 in the section solving exercises on page 157 of the Math 3 textbook.

In addition to the learned content, students can prepare and explore the content of solving exercises on page 67 of the Math 3 textbook to solidify their knowledge in the Math 3 program.

In the Math 3 curriculum, solving exercises on pages 67 and 68 of the Math 3 textbook are crucial topics for students to focus on and enhance their problem-solving skills in Math 3.

Frequently Asked Questions

What is the focus of the Math 3 curriculum for students?

The Math 3 curriculum focuses on reading and writing numbers within the range of 100,000, emphasizing addition and subtraction exercises to enhance problem-solving skills. Students engage with exercises from the textbook, particularly on pages 155, 156, and 157, to practice these concepts effectively.

How can students solve addition problems within 100,000?

To solve addition problems within 100,000, students must understand the rules of addition and set up calculations properly. For example, for the addition of 18257 and 64439, students can write the numbers vertically, align the digits, and sum them column by column to find the result.

What exercises are included in the Math 3 textbook for practice?

The Math 3 textbook includes various exercises such as solving addition and subtraction problems and calculating areas of rectangles. Students should focus on pages 155 to 157, as well as pages 67 and 68, to solidify their understanding and enhance their problem-solving abilities.

Is it necessary for students to practice solving exercises on page 67?

Yes, practicing exercises on page 67 is necessary for students. It helps reinforce the learned concepts in the Math 3 program, ensuring that students develop strong problem-solving skills and a solid understanding of mathematical principles.

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