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What is Three?
Grade Level:
Pre-School – Class 2
All domains without exception
Definition
What is it?
Three is a number that represents a quantity of three items or units. It comes after two and before four when counting. We use the digit '3' to write it.
Simple Example
Quick Example
Imagine you have two friends, and one more friend joins you. Now, you have a total of three friends. This quantity is represented by the number three.
Worked Example
Step-by-Step
Let's count to three using everyday items:
Step 1: Start with one object, like one cricket bat.
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Step 2: Add another object, like a second cricket bat. Now you have two bats.
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Step 3: Add one more object, a third cricket bat. Now you have three bats.
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So, one plus one plus one equals three.
Why It Matters
Understanding 'three' is fundamental to all of mathematics and science. It helps us count, measure, and solve problems in everyday life. Engineers use it to design structures, scientists use it in experiments, and even shopkeepers use it to count money.
Common Mistakes
MISTAKE: Confusing 'three' with 'two' or 'four' when counting | CORRECTION: Always remember the order: one, two, three, four. Three comes right after two.
MISTAKE: Writing the digit '3' incorrectly, like a mirror image | CORRECTION: Practice writing '3' starting from the top, making two curves that meet in the middle.
MISTAKE: Thinking 'three' is always a small number | CORRECTION: While it's a small number on its own, it's a building block for much larger numbers, like 30, 300, or 3000.
Practice Questions
Try It Yourself
QUESTION: If you have 1 samosa and your friend gives you 2 more, how many samosas do you have in total? | ANSWER: 3 samosas
QUESTION: Draw three circles. Now, draw a square around each circle. How many squares did you draw? | ANSWER: 3 squares
QUESTION: A small auto-rickshaw can carry 3 passengers. If 1 passenger gets off, how many passengers are left? If 2 new passengers then get in, how many are there now? | ANSWER: 1 passenger initially, then 3 passengers.
MCQ
Quick Quiz
Which of these groups shows exactly three items?
A group of two pencils
A group of three mangoes
A group of four books
A group of one cricket ball
The Correct Answer Is:
B
Option B, 'A group of three mangoes', correctly shows exactly three items. Options A, C, and D show two, four, and one item respectively, which are not three.
Real World Connection
In the Real World
In India, 'three' is everywhere! Think about a traffic light having three colours: red, yellow, and green. Or when you buy a pack of three 'Parle-G' biscuits. Even in cricket, a bowler can take 'three wickets' in an over, which is a big achievement!
Key Vocabulary
Key Terms
NUMBER: A count or measure | DIGIT: A symbol used to write numbers (like 0, 1, 2, 3) | QUANTITY: How much of something there is | COUNTING: The act of finding the total number of items
What's Next
What to Learn Next
Now that you understand 'three', you should explore 'What is Four?'. Learning about four will help you continue your journey of counting and understanding larger numbers, which is essential for all math concepts.
