Subscribe to our ▶️ YouTube channel 🔴 for the latest videos, updates, and tips.

Mental Math on Perimeter and Area

In mental math on perimeter and area we will solve different type of problems on perimeter of a triangle, perimeter of a square and a rectangle, area of a rectangle, area of a square and word problems on area.

1. Area of a square of side 1 cm 4 mm = __________ sq mm.

2. Area of a square of side 1 cm = __________

3. Area of a rectangle of dimensions 1 m and 4 m is __________ sq. m.

4. Area of a rectangle = __________ × __________

5. Area of square = __________

6. Find the area of the rectangle whose length and breadth are 10 cm and 5 cm respectively. _____

7. Find the area of a square whose perimeter is 8 cm. _____

8. If ℓ = 25 cm, b = 15 cm, perimeter = _____ cm

Answer:

1. 196

2. 1 sq. cm

3. 4

4. Length × Breadth

5. side × side

6. 50 sq. cm

7. 4 sq. cm

8. 80 cm

You might like these

Worksheet on Area | Test on Area | Home work on Area | Quiz on Area
In worksheet on area we will solve different types of question in area. 1. Find the area of a rectangle of length 24 cm and breadth 13 cm. 2. Find the area of a square of side 40 cm. 3. Find the area of a square of side 21 m.
What is Area in Maths? | Units to find Area | Conversion Table of Area
The amount of surface that a plane figure covers is called its area. It’s unit is square centimeters or square meters etc. A rectangle, a square, a triangle and a circle are all examples of closed plane figures. In the following figures, the shaded region of each of the
Area of a Rectangle | Area of Rectangle = Length × Breadth | Examples
Area of a rectangle is discussed here. We know, that a rectangle has length and breadth. Let us look at the rectangle given below. Each rectangle is made of squares. The side of each square is 1 cm long. The area of each square is 1 square centimeter.
Area of a Square | Area of a Square = (Side × Side) Square Units
In area of a square we will learn how to find the area by counting squares. To find the area of a region of a closed plane figure, we draw the figure on a centimeter squared paper and then count the number of squares enclosed by the figure. We know, that square is
Areas of Irregular Figures | Area of Irregular Shapes | Free Worksheet
Areas of irregular figures can be determined by dividing the figure into squares and rectangles. Some irregular figures are made of rectangular or square regions. The areas of such irregular figures can be determined by calculating the areas of these rectangles and squares.
Worksheet on Area and Perimeter of Rectangles | Word Problems |Answers
Recall the topic and practice the math worksheet on area and perimeter of rectangles. Students can practice the questions on area of rectangles and perimeter of rectangles. 1. Find the area and perimeter of the following rectangles whose dimensions are: (a) length = 17 m
Worksheet on Area of a Square and Rectangle | Area of Squares & Rectan
We will practice the questions given in the worksheet on area of a square and rectangle. We know the amount of surface that a plane figure covers is called its area. 1. Find the area of the square length of whose sides are given below: (i) 15 m (ii) 250 m (iii) 25 cm
Worksheet on Perimeter | Perimeter of Squares and Rectangle | Answers
Practice the questions given in the worksheet on perimeter. The questions are based on finding the perimeter of the triangle, perimeter of the square, perimeter of rectangle and word problems. I. Find the perimeter of the triangles having the following sides.
Perimeter and Area of Plane Figures | Definition of Perimeter and Area
A plane figure is made of line segments or arcs of curves in a plane. It is a closed figure if the figure begins and ends at the same point. We are familiar with plane figures like squares, rectangles, triangles and circles. Definition of Perimeter: The perimeter (P) of a
Perimeter and Area of Irregular Figures | Solved Example Problems
Here we will get the ideas how to solve the problems on finding the perimeter and area of irregular figures. The figure PQRSTU is a hexagon. PS is a diagonal and QY, RO, TX and UZ are the respective distances of the points Q, R, T and U from PS. If PS = 600 cm, QY = 140 cm
Word Problems on Area and Perimeter | Free Worksheet with Answers
We will solve different types of word problems on area and perimeter. 1. The perimeter of a rectangular field is 260 m. If its length is 90 m, find its breadth.
5th Grade Area and Perimeter Worksheet | With Answers | Free Worksheet
In 5th Grade Area and Perimeter Worksheet you will get different types of questions on perimeter of a triangle, perimeter of a square, perimeter of a rectangle, shapes of different kinds with the same perimeter, word problems on perimeter of a rectangle, word problems on