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Diamond Shape Lesson For Kids – Definition, Activities and Examples

Children learn about shapes and figures at a very early age. In fact, even babies learn to observe and recognise shapes when they play with toys like blocks or read picture books. Names of shapes start becoming a part of a child’s cognition with observation. And diamonds are one of the most fascinating shapes for children. Right from nursery rhymes like “Twinkle twinkle little star… like a diamond in the sky” to joining the fingers of two hands to create a diamond shape with their hands, kids learn what a diamond is at an early age. Let us dig deeper and understand the diamond shape in math a little better.


Defined in mathematical terms, a diamond is a two-dimensional quadrilateral shape with four closed straight sides. A diamond is also called a rhombus in maths because its sides are of equal measure and because the inside opposite angles are equal. Let us learn more about the diamond shape in English.


Why Your Child Needs To Learn Diamond Shape? 

  • Students will discover that shapes are everywhere.
  • They will identify shapes like square, circle, triangle and diamonds by their unique characteristics and learn to distinguish them.
  • When students learn all about diamond shape, they will learn how to create more complex patterns with shapes and colours.
  • When children learn about shapes, they will relate objects of daily use to that shape, for instance, they will observe that a kite is diamond shaped.
  • Shapes are building blocks for several bigger concepts that children will use throughout their schooling and lives.  

What Is A Diamond Shape? 

Diamonds are unique and can be characterised by their different geometric characteristics. A diamond is a quadrilateral that can be described as a 2-dimensional flat figure with four closed, straight sides. Let us understand about the diamond and rhombus definition in more detail.


A quadrilateral is a figure with four sides. Thus, a diamond too has four sides. The opposite sides in a diamond shape are parallel, thus, it’s also considered to be a parallelogram.
So how is a diamond different from any other quadrilateral or parallelogram? Another defining characteristic of a diamond is that all the four sides of the figure are always equal in length. Moreover, its opposite angles too are equal. Thus, a diamond is also called as a rhombus.

When Do Kids Start Learning About Shapes? 

  • Kids start learning all about shapes as soon as they open their eyes.
  • Shapes are all around us, and some of the most common toys for babies are based on common geometric shapes. Some examples of such toys are blocks, shape sorters and puzzles.
  • Early learning books too introduce toddlers and pre-schoolers to the concept of shapes like square, circle, triangle, and diamond from which kids learn to identify these figures and differentiate between them.

What Are The Various Properties Of A Rhombus? 

A rhombus, also known as a diamond, seems like a simple figure to identify. However, there are some distinct properties that set a rhombus apart from all quadrilaterals. Let us take a look at some features of a diamond that define a rhombus.

  • A parallelogram in which all the sizes are of equal length is called a rhombus.
  • Opposite angles of a rhombus are equal in measure.
  • In addition to the general properties of parallelograms, in a rhombus, the diagonals bisect the angles.
  • The diagonals are perpendicular to each other and meet each other to form 90°.

Simple Questions To Help Kids Revise The Rhombus 

Now that you have learnt some theory about the rhombus shape, it’s time to sharpen your knowledge and test it. Let us revise the concepts of a Rhombus with these simple questions below: 

1. Fill in the blanks: 

Fill in the blanks with the correct answer.

  1.  In a rhombus, the opposite angles are ____
    Ans: Equal
  2.  The diagonals of a Rhombus form a _____
    Ans: Perpendicular
  3. A diamond has ____ equal sides.
    Ans: four

2. True or False? 

  1.  All sides of a rhombus must be equal
    Ans: True
  2.  Opposite angles of a rhombus are always equal
    Ans: True
  3. A rectangle is also a type of diamond
    Ans: False

3. What is a rhombus? 

Choose the correct definition from the options given below:

  1. A quadrilateral with perpendicular sides 
  2. A hexagon 
  3. A quadrilateral with parallel sides and opposite angles that are equal 
  4. A decagon 

Ans: 3. A quadrilateral with parallel sides and opposite angles that are equal 


4. What is another word people use when talking about a diamond?

  1. Decagon  
  2. Pentagon 
  3. Hexagon 
  4. Rhombus 

Ans: 4. Rhombus

5. Which of the following shapes can also be a diamond?

  1. Square
  2. Rectangle
  3. Trapezium
  4. Triangle

Word Problems On Diamond Shapes For Kids

Apply your knowledge about the diamond shape to solve the following word problems:


1. The school has decided to put a fence around the diamond-shaped playground. One side of the ground measures 100 meters. How long will the entire fence be?

Ans. All sides of a diamond are equal. Therefore, the length of all sides of the ground will be 100 meters. The total length of fence will be 100 + 100 + 100 + 100 (Or 100 x 4)


= 400 Meters

2. One angle of a diamond is 30 degrees. What is the measurement of all the other angles of the diamond?


Ans. In a diamond, opposite angles are equal. Thus, the second angle of the diamond too is 30 degrees.

In a quadrilateral, the sum of all the angles is 360 degrees. Thus, the sum of the other two angles should be 360-60 = 300 degrees.

Therefore, each angle would be 300÷ 2 = 150 degrees.
The four angles of the diamond are 30, 30, 150 and 150 degrees, respectively.

3. It took 8 meters of tape to stick the edges of a large diamond cut-out shape on the wall. What is the length of each side of the diamond?

Ans. If it took 8 meters to stick all the edges, we can derive that the total length of all the sides of the diamond, i.e. the perimeter of the diamond, is 8 meters. We know that in a diamond, all the four sides are equal in length. Thus, we can derive the length of each side by dividing the total length by 4, thus giving us 8 ÷ 4 = 2.

Therefore, each side of the huge diamond cut-out is 2 meters long.

Interesting Facts About Diamond Shapes For Kids 

Here are some interesting facts about the diamond that kids must remember when learning about shapes.

  • A diamond is also known as a rhombus.
  • Diamonds are a type of Parallelogram. 
  • All four sides of a diamond are equal.
  • Opposite angles of a diamond are equal.
  • The diagonals of a diamond intersect each other to form right angles.

Activities To Teach Your Kids About Diamond Shape 

Children learn best through fun activities. So, when teaching them about shapes like diamond, they will understand and grasp better when you introduce interesting and creative methods of learning. Here are some fun diamond shape activities for preschool children:

1. Diamond Day 

  • This is a fun picnic idea! Take a walk around a bustling locality and ask your child to identify as many diamonds as they can around them.
  • Guide them to observe the road tiles, paint patterns on buildings, shapes and designs on billboard ads and so on.
  • If they have a t shirt or shirt with a diamond-shaped pattern, then let them wear it as a dress code for the day. 
  • You can make this a competitive activity with one point awarded to the child every time they spot a diamond correctly around them.

2. Diamond Run

  • Give your classic run-and-chase game a diamond spark with this fun activity.
  • Gather a group of children on one end of a small playground.
  • Choose one child to chase while the others run.
  • At the blow of a whistle (or clap of a hand) all children must run over to the other end of the ground and hold hands in groups of four to form a diamond.
  • The chaser must run and catch a child before they form the diamond.
  • Either the child that gets caught, or the one that remains left out of groups of four is out and becomes the chaser in the next round.

3. Diamond Pattern Puzzle

  • You can create this puzzle on your own as a fun DIY activity!
  • On a cardboard sheet, draw lots of diamonds. Paint them all with a different colour each. 
  • Your puzzle pieces are ready!
  • Now ask your child to join the diamonds to create various designs.
  • You can up the level of this game by painting the diamond pieces with two colours half-and-half.
  • The challenge now is to ensure that similar colours are adjoining when putting together two diamonds to create designs.

4. Diamond Mine

  • This is another fun game you can make at home using cardboard cut-outs in diamond shapes.
  • Paint one side of the diamonds in a colour of your choice.
  • On the other side, you can write numbers, letter of the alphabet, draw small symbols or even paste stickers of your choice in pairs of two.
  • So, if you are going for numbers, the number 1 will be written on two pieces, the number 2 will be written on two pieces, and so on.
  • Now, shuffle the cardboard diamonds and place them on the table or the floor with the number side facing down.
  • Flip one diamond to reveal the number.
  • Now try to find the other piece with the same number by taking turns to flip one diamond at a time.
  • This game improves your memory, gives you practice in identifying numbers, and also lets you have fun with diamonds.


1. Is A Rhombus The Same As A Diamond?

A rhombus is a geometric shape that has four equal sides where both pairs of opposite sides are parallel. This shape resembles a diamond and is the shape you’d expect to see in playing cards to represent the suit of diamonds. Rhombuses can be seen in everyday life in various ways. Items such as playing cards, kites, jewellery, signs, and crystals all either are or feature a rhombus. 

2. Is a Square a Rhombus?

A square can be categorised as a rhombus because like a rhombus, all the sides of a square are equal in length. The diagonals of both square and rhombus are perpendicular to each other and bisect the opposite angles. In a square, all angles are equal. Therefore, we can say a square is a rhombus. However, not all rhombi are squares because, in a rhombus, only opposite angles are required to be equal. So, only a rhombus with a 90° angle can be a square, but all squares can be called a rhombus.

3. How Many Lines Of Symmetry Does A Diamond Have?

We see symmetry when we have an exact copy or replica of a shape. In geometry, when you draw a line of symmetry, the shape or object is exactly the same on both sides of the line. Imagine a simple example: if you folded a square exactly in half so that each side is the same, the fold is the line of symmetry.  

Thus, a diamond has two lines of symmetry.

With the above examples of the diamond shape, we hope your child has learnt a little bit of geometry in a fun way. The diamond shape is also important for Kindergarten as children come across the concept commonly.

Also Read:

WH Questions for Children to Learn
Importance of Idioms and related Activities for Kids
Describing Words for Children to Improve Vocabulary Skillls

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