Class 2 Exam > Class 2 Notes > Mathematics for Class 2: NCERT > Chapter Notes- Tens and Ones
Tens and Ones Class 2 Notes Maths
| Table of contents |
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| Introduction |
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| How Many Coins and Notes? |
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| Can you guess the breakup? |
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| Can You Count the Number? |
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Introduction
- Money is available as (i) Coins and (ii) Notes.
- Coins: The shapes and size of coins changes from time to time. Nowadays, one paise to twenty paise coins are not in use. Coins of 50-paise, 1-rupee, 2-rupee and, 5-rupee, 10-rupee, 20-rupee are used mostly.
- Notes: The designs of currency notes changes from time to time. Five-rupee, ten rupees, twenty rupees, fifty rupees, 100 rupees, 500 rupees, and 2000 rupees notes are available now.
How Many Coins and Notes?
Let us understand how to count or calculate the required coins and notes.
Example 1: If you want to buy pencils worth Rs.18 and you only have Rs.10 notes and 1 rupee coin, then how will you pay?
Cost of pencils = Rs 19You have, Rs 10 notes and 1 rupee coins
So,
Rs.18 = Rs.10 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1You will pay = One Rs 10 notes and Eight 1-rupee coins
Example 2: How many notes and coins do you need to give 135 rupees?
Rs 135 = Rs 100 + Rs 10 + Rs 10 + Rs 10 + Rs 5
You will give one hundred rupees note, three 10-rupees notes, and five coins of one rupee.
Can you guess the breakup?
To break the given numbers, we have to separate that number into tens and ones if it is of two digits. To break up three digits numbers, we have to convert them by separating their hundreds, tens, and ones.
Example 1: 68= ___ + 8
We will divide 68 into tens and ones.
There are 6 tens and 8 ones in 68
So, 68 = 60 + 8
Example 2: 23 = 20 + ___
We will divide 23 into tens and ones.
There are 2 tens and 3 ones in 23
So, 23 = 20 + 3
Can You Count the Number?
Let's learn to count
Example 1: The school cricket team has 11 children. Understand the table given below for total number of students in each class.
Q. 1. How many teams will be there in each class?
Q.2. How many students will be left?
Q.3. How many students are left in all?
Q.4. How many more teams can be made with all these students left?
The document Tens and Ones Class 2 Notes Maths is a part of the Class 2 Course Mathematics for Class 2: NCERT.
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FAQs on Tens and Ones Class 2 Notes Maths
| 1. How can I guess the breakup of coins and notes? |  |
Ans. To guess the breakup of coins and notes, you can start by counting the coins and notes you have. Separate them into different denominations, such as counting the number of coins of each value (e.g., number of pennies, nickels, dimes) and the number of notes of each value (e.g., number of $1, $5, $10 bills). Add up the total value of the coins and notes to determine the breakup.
| 2. How do I count the number of coins and notes? | |
Ans. To count the number of coins and notes, start by organizing them into different denominations. Then, count the number of coins for each value and the number of notes for each value separately. Add up the total number of coins and notes to get the final count.
| 3. What are the tens and ones in the context of coins and notes? | |
Ans. In the context of coins and notes, the tens and ones refer to the place value system. Tens represent the value of a group of ten coins or notes, whereas ones represent the value of individual coins or notes. For example, if you have 4 tens and 7 ones, it means you have 47 coins or notes in total.
| 4. How can I teach tens and ones to Class 2 students? | |
Ans. To teach tens and ones to Class 2 students, you can use visual aids such as ten frames or place value charts. Start by explaining the concept of tens and ones using concrete objects like coins or notes. Show them how to count groups of ten and individual ones. Engage them in hands-on activities and games to reinforce their understanding of tens and ones.
| 5. What are some commonly used coins and notes in everyday transactions? | |
Ans. Some commonly used coins in everyday transactions include pennies, nickels, dimes, and quarters. Notes commonly used are $1, $5, $10, and $20 bills. These coins and notes are widely accepted and used for various purchases and transactions.
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Dec 22, 2024 Last updated |
Document Description: Chapter Notes- Tens and Ones for Class 2 2024 is part of Mathematics for Class 2: NCERT preparation.
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