What is the Smallest Number?

S0-SA1-0073

Grade Level:

Pre-School

Maths, Data Science, AI

Definition

What is it?

The smallest number refers to the number that has the least value among a given set of numbers. It is the number that comes first when you arrange numbers in increasing order.

Simple Example

Quick Example

Imagine you and your friends scored marks in a class test. You got 80, your friend Rohan got 75, and Priya got 90. To find the smallest score, you look for the lowest number among 80, 75, and 90. Here, 75 is the smallest number, meaning Rohan scored the least.

Worked Example

Step-by-Step

Let's find the smallest number among 5, 12, 3, 9, and 7.
---Step 1: Look at all the numbers: 5, 12, 3, 9, 7.
---Step 2: Start comparing them. Is 5 smaller than 12? Yes.
---Step 3: Now compare 5 with the next number, 3. Is 5 smaller than 3? No, 3 is smaller than 5.
---Step 4: So far, 3 is the smallest. Now compare 3 with 9. Is 3 smaller than 9? Yes.
---Step 5: Compare 3 with 7. Is 3 smaller than 7? Yes.
---Step 6: Since 3 is smaller than all other numbers in the list, 3 is the smallest number.
Answer: The smallest number is 3.

Why It Matters

Understanding the smallest number helps in many real-world situations, from comparing prices to sorting data. In Data Science, finding the smallest value helps identify minimums in datasets. In AI, algorithms often need to find the smallest error to learn better, helping create smarter apps and systems.

Common Mistakes

MISTAKE: Confusing the smallest number with the largest number. | CORRECTION: Remember, the smallest number is the one with the least value, not the most.

MISTAKE: Ignoring negative numbers when comparing. For example, thinking 2 is smaller than -5. | CORRECTION: Negative numbers are always smaller than positive numbers. The further a negative number is from zero, the smaller it is (e.g., -5 is smaller than -2).

MISTAKE: Only comparing the first digit of multi-digit numbers. For example, thinking 19 is smaller than 2 because 1 is smaller than 2. | CORRECTION: Always compare numbers by their full value, or by comparing digits from left to right, starting with the highest place value.

Practice Questions

Try It Yourself

QUESTION: Which is the smallest number: 25, 18, 30? | ANSWER: 18

QUESTION: Find the smallest number in this list: 101, 99, 110, 95. | ANSWER: 95

QUESTION: A vegetable seller has three baskets of onions weighing 15.5 kg, 15.05 kg, and 15.55 kg. Which basket has the smallest weight? | ANSWER: 15.05 kg

MCQ

Quick Quiz

Which of the following numbers is the smallest?

The Correct Answer Is:

Comparing the numbers 42, 24, 40, and 28, the number 24 has the lowest value among them, making it the smallest. The others are larger.

Real World Connection

In the Real World

When you use a food delivery app like Swiggy or Zomato, the app might show you restaurants based on the 'minimum delivery time'. To do this, it finds the smallest delivery time from all available options. Similarly, when comparing mobile data plans, you might look for the plan with the smallest monthly cost for a certain amount of data.

Key Vocabulary

Key Terms

VALUE: The worth or magnitude of a number. | COMPARE: To check how two or more numbers relate in terms of size. | ASCENDING ORDER: Arranging numbers from smallest to largest. | NEGATIVE NUMBER: A number less than zero, like -1, -2.

What's Next

What to Learn Next

Now that you understand the smallest number, you can explore 'What is the Largest Number?'. This will help you understand how to compare numbers in the opposite direction and find the greatest value in a group.