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What is Multiples of 10?
Grade Level:
Class 2
Maths, Place Value
Definition
What is it?
Multiples of 10 are numbers you get when you multiply 10 by any whole number (like 1, 2, 3, and so on). They are essentially numbers that can be divided by 10 without leaving any remainder. All multiples of 10 always end with the digit 0.
Simple Example
Quick Example
Imagine you are buying ladoos for a festival. Each box has 10 ladoos. If you buy 1 box, you have 10 ladoos. If you buy 2 boxes, you have 20 ladoos. If you buy 3 boxes, you have 30 ladoos. So, 10, 20, 30 are all multiples of 10.
Worked Example
Step-by-Step
Let's find the first 4 multiples of 10.
1. Multiply 10 by 1: 10 x 1 = 10
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2. Multiply 10 by 2: 10 x 2 = 20
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3. Multiply 10 by 3: 10 x 3 = 30
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4. Multiply 10 by 4: 10 x 4 = 40
So, the first four multiples of 10 are 10, 20, 30, and 40.
Why It Matters
Understanding multiples of 10 helps you with mental math and quick calculations, especially when dealing with money or large numbers. This skill is crucial for careers like banking, retail, and even for managing your daily expenses efficiently.
Common Mistakes
MISTAKE: Thinking 105 is a multiple of 10 because it has a '10' in it. | CORRECTION: A number is a multiple of 10 only if its last digit is 0. 105 ends in 5, not 0.
MISTAKE: Forgetting that 10 itself is a multiple of 10. | CORRECTION: Any number multiplied by 1 is itself. Since 10 x 1 = 10, 10 is the first multiple of 10.
MISTAKE: Confusing multiples of 10 with factors of 10. | CORRECTION: Multiples are numbers you get by multiplying (10, 20, 30...). Factors are numbers that divide 10 exactly (1, 2, 5, 10).
Practice Questions
Try It Yourself
QUESTION: Is 70 a multiple of 10? | ANSWER: Yes
QUESTION: List the next three multiples of 10 after 120. | ANSWER: 130, 140, 150
QUESTION: A shop sells pens in packs of 10. If a school needs 250 pens, how many packs should they buy? | ANSWER: 25 packs
MCQ
Quick Quiz
Which of these numbers is NOT a multiple of 10?
40
100
65
210
The Correct Answer Is:
C
Multiples of 10 always end in 0. Options A, B, and D all end in 0. Option C, 65, ends in 5, so it is not a multiple of 10.
Real World Connection
In the Real World
When you use UPI to pay for groceries, often the total bill might be rounded to the nearest 10 for ease of calculation, especially for smaller vendors. Or, when managing your mobile data, you might buy data packs in multiples of 10 GB or 100 MB.
Key Vocabulary
Key Terms
MULTIPLE: The result of multiplying a number by an integer. | WHOLE NUMBER: Numbers without fractions or decimals (0, 1, 2, 3...). | DIGIT: A single symbol used to make numbers (0, 1, 2...9). | REMAINDER: The amount left over after division.
What's Next
What to Learn Next
Great job understanding multiples of 10! Now you're ready to explore multiples of other numbers, like 5 or 2. This will help you find common multiples and understand concepts like LCM (Least Common Multiple) even better!
