Solving Exercises on Page 112 of Math 3 Workbook Volume 1, Cánh Diều Book

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Solving Math 3 on page 112, Cánh Diều Book Volume 1

Solving exercises on page 112 of Math 3 Workbook Volume 1, Cánh Diều Book:

Perimeter of Rectangles and Squares

2. Solve Exercise 2 Page 112 Math Grade 3

3. Solve Exercise 3 Page 112 Math Grade 3

4. Solve Exercise 4 Page 112 Math Grade 3

Comprehensive Solutions for Page 112 Math 3 Workbook Volume 1, Cánh Diều Book: Detailed guidance on solving exercises 1, 2, 3, 4 involving Perimeter of Rectangle and Square. This helps students easily grasp the solution approach. In addition to solving exercises, students are advised to review the theory for a better understanding and knowledge reinforcement.

Solving Math 3 on page 112, Cánh Diều Book Volume 1

Solving exercises on page 112 of Math 3 Workbook Volume 1, Cánh Diều Book:

Perimeter of Rectangles and Squares

1. Solve Exercise 1 Page 112 Math Grade 3

Problem Statement: Calculate the perimeters of the following rectangles and squares:

Solution Guide:
- Perimeter of a rectangle = (length + width) x 2.
- Perimeter of a square = Length of one side of the square x 4.

Answers:
a) Perimeter of the rectangle is:
(10 + 4) x 2 = 28 (cm)
b) Perimeter of the rectangle is
(60 + 40) x 2 = 200 (dm)
c) Perimeter of the square is
7 x 4 = 28 (m)

2. Solve Exercise 2 Page 112 Math Grade 3

Problem Statement: a) Calculate the perimeter of a rectangle with a length of 12 m and a width of 8 m.
b) Calculate the perimeter of a square with a side length of 12 dm.

Solution Guide:
- Perimeter of a rectangle = (length + width) x 2.
- Perimeter of a square = Length of one side of the square x 4.

Answers:
a) Perimeter of the rectangle is
(12 + 8) x 2 = 40 (m)
Answer: 40m
b) Perimeter of the square is
12 x 4 = 48 (dm)
Answer: 48dm

Next, Mytour's math teacher will guide solving exercises on pages 113, 114 in Math 3 Workbook Volume 1, Cánh Diều Book, revisiting what has been learned for easy reference and effective learning.

See more: Solving exercises on pages 113, 114 in Math 3 Workbook Volume 1, Cánh Diều Book

3. Solve Exercise 3 Page 112 Math Grade 3

Problem Statement: a) Calculate the perimeter of the steel mesh in the form of a rectangle as shown below:

b) Calculate the perimeter of the garden plot in the form of a square as shown below:

Solution Guide:
- Perimeter of a rectangle = (length + width) x 2.
- Perimeter of a square = Length of one side of the square x 4.

Answers:
a) Perimeter of the steel mesh is
(10 + 2) x 2 = 24 (m)
Answer: 24m
b) Perimeter of the garden plot is
8 x 4 = 32 (m)
Answer: 32m

4. Solve Exercise 4 Page 112 Math Grade 3

Problem: A basketball court has a rectangular shape with a length of 28 m, and the width is 13 m less than the length. Calculate the perimeter of the basketball court?

Solution Guide:
- Step 1: Find the width of the rectangle. The width of the rectangle = length - 13 m.
- Step 2: Perimeter of the rectangle = (length + width) x 2.

Answer:
The width of the basketball court is
28 - 13 = 15 (m)
The perimeter of the basketball court is
(28 + 15) x 2 = 86 (m)
Answer: 86m

Students, remember to refer to the solution for Exercise 112 Math Grade 3 Workbook Volume 1, Cánh Diều Book to excel in Mathematics, solve exercises easily and accurately.

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