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Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8

Do You Know The Counting From Twenty-one to Fifty?

Let us quickly revise it.

Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8

What is the Ones and tens Concept?

Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8

  • When we have more than 9 items, we write them in two columns, ‘Tens’ and ‘Ones’.
  • In the Tens column, we write down how many "tens" we have followed by the remaining items in the one's column.Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8
  • A ‘Ten’ indicates a bundle or group of 10 individuals or singles.
  • 1 Object = 1 Ones
  • 10 Ones = 1 TenNumbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8
  • There are 10 sticks in a bundle. So, 10 ones is equal to 1 ten.

Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8

  • Similarly, 2 bundles of 10 ones = 10 ones + 10 ones
    = 2 tens
    = 20Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8
  • 3 bundles of 10 = 30Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8
  • 4 bundles of 10 ones = 40Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8
  • 5 bundles of 10 ones = 50

Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8


Let us count the number of pencils and write in tens and ones place

Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8

What are Missing Numbers?

A series or sequence where a number is missed is known as a missing number sequence. 

Look at the example given below. 

Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8

The document Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8 is a part of the Class 1 Course Mathematics for Class 1: NCERT.
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FAQs on Numbers from Twenty-one to Fifty Class 1 Notes Maths Chapter 8

1. How do you count from twenty-one to fifty?
Ans. To count from twenty-one to fifty, you simply continue counting from twenty-one until you reach fifty. It goes like this: twenty-one, twenty-two, twenty-three, and so on until you reach fifty.
2. What is the concept of ones and tens?
Ans. The concept of ones and tens refers to the place value system used to represent numbers. In this system, each digit in a number has a specific value based on its position. The digits on the right side of the decimal point represent ones, while the digits on the left side represent tens, hundreds, thousands, and so on.
3. What are missing numbers?
Ans. Missing numbers refer to the numbers that are skipped or not provided in a given sequence or series. These numbers are usually left out intentionally to test someone's ability to identify the pattern and fill in the missing values correctly.
4. How can I help my class 1 child learn numbers from twenty-one to fifty?
Ans. There are several ways to help a class 1 child learn numbers from twenty-one to fifty. Here are a few tips: - Use visual aids like number charts or flashcards to show the numbers and their representation. - Encourage your child to count objects around them, such as toys, books, or fruits, up to fifty. - Practice writing the numbers repeatedly to reinforce their recognition. - Play number games or puzzles that involve counting and identifying numbers within the range of twenty-one to fifty.
5. What are some frequently asked questions about numbers from twenty-one to fifty?
Ans. Some frequently asked questions about numbers from twenty-one to fifty include: - How do I count in multiples of ten from twenty to fifty? - What is the place value of the digit in the tens place of the number thirty-five? - How many numbers are there between twenty-one and fifty? - Can you give examples of numbers from twenty-one to fifty in word form? - Are there any patterns or shortcuts to remember the numbers from twenty-one to fifty?
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