Solve exercise 1 on pages 144-145 of Math Grade 4 textbook

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Ngày cập nhật gần nhất: 15/4/2026

Solve exercise 1 on pages 144-145 of Math Grade 4 textbook, part of the Concentration Practice. Mark 'C' for correct, 'W' for wrong.

Guidelines for solving exercise 1 on pages 144-145 of Math Grade 4 textbook

Solution method:
Observe the illustrations and apply the acquired knowledge to answer correctly.

Answers:
a) ''AB and DC are two opposite sides that are parallel and equal'' is a correct statement, mark 'C' in the empty box.
b) ''AB is perpendicular to AD'' is a correct statement, mark 'C' in the empty box.
c) ''Quadrilateral ABCD has 4 right angles'' is a correct statement, mark 'C' in the empty box.
d) ''Quadrilateral ABCD has 4 equal sides'' is an incorrect statement, mark 'S' in the empty box

Here is the solution guide for exercise 1 on pages 144-145 of Math Grade 4 textbook, part of the concentration practice. Additionally, this section includes 2 more exercises: Solve exercise 2 on pages 144-145 of Math Grade 4 textbook, Solve exercise 3 on pages 144-145 of Math Grade 4 textbook, and Solve exercise 4 on pages 144-145 of Math Grade 4 textbook. Let's explore the guide on solving math problems for Grade 4 on pages 144-145 to excel in the subject!

Frequently Asked Questions

What is the first step to solve exercise 1 in the Grade 4 Math textbook?

The first step to solve exercise 1 is to observe the illustrations carefully and apply the acquired knowledge to determine whether the statements about the shapes are correct or incorrect.

How should I mark the correct and wrong statements in exercise 1?

In exercise 1, mark 'C' for correct statements and 'W' for wrong ones. For example, if a statement is true, write 'C' in the provided box next to it.

What statements are considered correct in exercise 1 of the Math Grade 4 textbook?

In exercise 1, the statements 'AB and DC are two opposite sides that are parallel and equal', 'AB is perpendicular to AD', and 'Quadrilateral ABCD has 4 right angles' are all correct and should be marked with 'C'.

What exercises follow exercise 1 in the Math Grade 4 textbook?

Following exercise 1 in the Math Grade 4 textbook are exercises 2, 3, and 4, which also focus on applying the concepts learned to solve additional problems.

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