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What is The Number 82?
Grade Level:
Pre-School – Class 2
All domains without exception
Definition
What is it?
The number 82 is a two-digit number. It comes after 81 and before 83. It is made up of 8 tens and 2 ones.
Simple Example
Quick Example
Imagine your favourite cricket team scored 82 runs in a T20 match. This means they scored 8 tens of runs and 2 extra runs. It's a specific count, just like counting 82 candies.
Worked Example
Step-by-Step
Let's understand how 82 is formed:
Step 1: Start with the number 80.
---Step 2: Add 1 to 80, which gives you 81.
---Step 3: Add 1 more to 81, which gives you 82.
---Step 4: So, 82 is 80 + 2.
---Step 5: In terms of place value, it has 8 in the tens place and 2 in the ones place.
ANSWER: The number 82 is composed of 8 tens and 2 ones.
Why It Matters
Understanding numbers like 82 is the base for all maths, from simple counting to complex calculations. Engineers use numbers to design buildings, and economists use them to understand money. Even game developers use numbers to create scores and levels!
Common Mistakes
MISTAKE: Reading 82 as 28. | CORRECTION: Always read the tens digit first, then the ones digit. 82 is 'eighty-two', not 'twenty-eight'.
MISTAKE: Thinking 82 is a single unit. | CORRECTION: Remember 82 is a collection of 82 individual items, or 8 groups of ten plus 2 more.
MISTAKE: Confusing the place value of 8 and 2. | CORRECTION: The 8 is in the tens place (value 80), and the 2 is in the ones place (value 2).
Practice Questions
Try It Yourself
QUESTION: If you have 8 bundles of 10 pencils each, and 2 loose pencils, how many pencils do you have in total? | ANSWER: 82 pencils
QUESTION: Write the number that comes just before 82 and just after 82. | ANSWER: Before: 81, After: 83
QUESTION: Your dad buys a mobile recharge for Rs 82. If he gives the shopkeeper a 100 rupee note, how much change will he get back? Show your working. | ANSWER: Rs 100 - Rs 82 = Rs 18 change.
MCQ
Quick Quiz
Which of these statements about the number 82 is true?
It is a three-digit number.
It has 2 tens and 8 ones.
It comes after 81.
It is an odd number.
The Correct Answer Is:
C
The number 82 is a two-digit number, so A is false. It has 8 tens and 2 ones, so B is false. 82 is an even number, so D is false. It correctly comes after 81.
Real World Connection
In the Real World
When you check your mobile data usage, you might see that you have used 82 MB of data. Or, if you're taking an auto-rickshaw, the fare might be 82 rupees, which you'd pay using digital payments like UPI or cash.
Key Vocabulary
Key Terms
DIGIT: A symbol used to write numbers (0, 1, 2...). | PLACE VALUE: The value of a digit based on its position in a number. | TENS PLACE: The second position from the right in a number, representing groups of ten. | ONES PLACE: The first position from the right in a number, representing single units.
What's Next
What to Learn Next
Now that you understand 82, you can learn about other two-digit numbers and how to compare them. This will help you count bigger things and solve more complex problems in your daily life!
