Solving Exercise 1 on pages 141 and 142 of Math 5 textbook

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Ngày cập nhật gần nhất: 15/4/2026

Reinforce the application skills of distance formula in solving exercises. Students can refer to Exercise 1 on pages 141 and 142 of Math 5 textbook in the Practice section, calculating the distance with unit in kilometers below.

Guide to solving Exercise 1 on pages 141 and 142 of Math 5 textbook

Solution method:
To calculate distance (s), multiply time (t) by speed (v). For quantities involving minutes, convert them to hours; meters to kilometers.

Answers:
Column 1: s = 32.5 x 4 = 130 (km)
Column 2: s = 210 x 7 = 147 (m) = 1.47 (km)
Column 3: Convert 40 minutes = 2/3 hours
s = 36 x (2/3) = 24 (km)

Here is the guidance for solving Exercise 1 on pages 141 and 142 of Math 5 textbook focusing on concentrated practice. Additionally, this section also includes 3 other exercises: Solve Exercise 2 on pages 141 and 142 of Math 5 textbook, Solve Exercise 3 on pages 141 and 142 of Math 5 textbook, and Solve Exercise 4 on pages 141 and 142 of Math 5 textbook. Please also refer to the guidance for Solving Math grade 5 exercise on pages 141 and 142 to excel in Math grade 5.

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