Introduction To Zero

Zero is a special number that means “nothing” or “none.” It represents no amount or no objects. Imagine having no toys to play with or no cookies to eat. That’s what zero means!

When we count numbers, we start with 1, 2, 3, and keep going. These numbers are called natural numbers. But when we add zero to the natural numbers, we get a new set called whole numbers. So, zero is part of the whole numbers family.

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Zero is represented by the symbol “0.” It looks like a round circle!

Zero also has a special role when we think about positive and negative numbers. It sits right between the negative numbers and positive numbers on a number line. It helps us understand the space between numbers.

Even though zero means nothing, it’s still important! It helps us in many ways. In whole numbers and decimal numbers, zero acts as a placeholder. It holds a place when there is no value or amount.

Zero is a real number because it’s an integer. Integers include positive numbers, negative numbers, and zero. Real numbers include not only integers but also fractions and decimals.

Let’s talk about some properties of zero!

Addition Property :

  • When we add zero to any number, the answer stays the same. For example, if you have 6 candies and add zero more candies, you still have 6 candies.
  • 6 + 0 = 6

Subtraction Property :

  • When we subtract zero from any number, the answer stays the same too. If you have 5 pens and take away zero pens, you still have 5 pens.
  • 5 – 0 = 5

Multiplication Propety :

  • When we multiply zero by any number, the answer is always zero. If you have zero icecreams and share them with 3 friends, everyone gets zero icecreams.
  • 0 x 3 = 0

Division Property :

  • If we divide zero by any number, the answer is zero. 
  • 0 / 10 = 0
  • But if we try to divide a number by zero, it doesn’t work! You can’t divide 10 apples into zero groups because there has to be at least one group.
  • When a number is divided by 0, the result is considered to be undefined in math.

The use of Zero as a Placeholder :

  • Zero also helps us understand the position of digits in numbers. In the number 602, the zero represents the tens place. Without the zero, the number would be 62, which would be confusing.
  • In large numbers like 1 million, there are six zeros. Without those zeros, it would just be the number 1. So, you can see how important zero is in math!

Place Value Of Zero In Decimals

  • In decimals, zeros act as placeholders. They show us the position of other digits. For example, in 2.055 and 5.502, the zeros are placeholders. But if we have zeros after the decimal point, like in 5.60, they don’t change the value of the number.

Remember, zero may represent nothing, but it has a big role in mathematics!

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Teaching introduction to zero with kid-friendly, clear, and easy-to-understand posters from Uncle Math School by Fun2Do Labs


Ignite kids’ curiosity with engaging stories for role play and skits, making the learning of this concept an exciting and effective experience. Teaching introduction to zero through stories from Uncle Math School by Fun2Do Labs :

Text of Stories


Learning introduction to zero can be made enjoyable by incorporating interactive games and activities.

Number Activity :

This is a fun-filled activity for kids. Kids will love to perform this activity and will learn the concept of zero with ease. 

  • Place the number cards upside down on the table.
  • Instruct kids to pick up any card.
  • Kids will jump as many times as the number mentioned on the card.
  • A kid getting a 0 card will perform nothing, which further clarifies the concept that 0 means nothing.


Help your kids practise introduction to zero with interesting and engaging fun worksheets and solutions from Uncle Math by Fun2Do Labs.

Worksheet 224 : Introduction To Zero
Solution 224 : Introduction To Zero
Worksheet 225 : Zero - Word Problems
Solution 225 : Zero - Word Problems

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