Solve Exercise 2 on pages 28 and 29 in the Mathematics 5 Textbook

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Ngày cập nhật gần nhất: 15/4/2026

Solve Exercise 2 on pages 28 and 29 in the Mathematics 5 Practice Book. Circle the letter placed before the correct answer.

Guidance for solving Exercise 2 on pages 28 and 29 in the Mathematics 5 Textbook

Problem:
Circle the letter placed before the correct answer:
3cm² 5mm² = ... mm²
The appropriate number to fill in the blank is:
A. 35
B. 305
C. 350
D. 3500

Solution Method:

- Convert the measurement unit from cm² to mm² based on the knowledge: The larger unit is 100 times the smaller unit.

Answer:
We have: 3 cm² = 300 mm²
=> 3 cm² 5 mm² = 305 mm²

This is the solution guide for Exercise 2 on pages 28 and 29 in the Mathematics 5 Textbook. Additionally, this section includes three more exercises: Solve Exercise 1 on pages 28 and 29 in the Mathematics 5 Textbook, Solve Exercise 3 on pages 28 and 29 in the Mathematics 5 Textbook, and Solve Exercise 4 on pages 28 and 29 in the Mathematics 5 Textbook. Let's explore the solution guide for exercises on pages 28 and 29 in Mathematics 5 to excel in the subject of Mathematics in grade 5!

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