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Numbers Class 1 Notes Maths Chapter 11
Do You Remember The Counting from Fifty-one to Hundred?
Let's quickly speak out the counting from 51-100.
What is the Ones and Tens Concept?
The number 10 is the first and the smallest two-digit number.
Example 1:
- Let’s take 10 pencils.
- Now make a group of 10 pencils.
- We can make only 1 group. It represents 1 Ten. But there is no single pencil remaining. It indicates 0 ones.
- So, the number 10 can write as:
Example 2:
- If we take 21 pencils, we can make 2 groups of 10 pencils that can be represented as 2 Tens.
- 1 remaining pencil can be represented as 1 Ones.
- 2 Tens and 1 Ones = 21
- We can write 21 as:
Example 3:
- We can represent 100 as 10 groups of Tens.
- We cannot write 100 as:
- We use the hundreds place. The number 100 is written as:
100 is the first and smallest three-digit number.
Let's calculate the number of popsicles given in the table below
Missing Numbers
A series or sequence where a number is missed is known as a missing number sequence.
Look at the example given below.
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FAQs on Numbers Class 1 Notes Maths Chapter 11
| 1. What are the missing numbers in the counting from fifty-one to hundred? |  |
Ans. The missing numbers in the counting from fifty-one to hundred are 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, and 100.
| 2. What is the concept of ones and tens in numbers? | |
Ans. The concept of ones and tens in numbers is a way of representing the value of a digit based on its position in a number. In the decimal system, the rightmost digit represents ones, the digit to its left represents tens, the next digit represents hundreds, and so on. For example, in the number 25, the digit 5 represents ones and the digit 2 represents tens. This concept helps in understanding place value and performing mathematical operations.
| 3. How can I understand the concept of ones and tens in numbers? | |
Ans. To understand the concept of ones and tens in numbers, you can start by visualizing the digits in a number and assigning their respective place values. For example, consider the number 48. The digit 8 is in the ones place, and the digit 4 is in the tens place. You can think of the number as 40 + 8, where 40 represents four tens and 8 represents eight ones. Practicing this visualization and using manipulatives like base-ten blocks can help in understanding the concept better.
| 4. Why is understanding the concept of ones and tens important in mathematics? | |
Ans. Understanding the concept of ones and tens is important in mathematics as it lays the foundation for understanding place value, addition, subtraction, multiplication, and division. It helps in accurately representing and manipulating numbers. Without a good grasp of ones and tens, it becomes challenging to perform mathematical operations and solve problems involving larger numbers.
| 5. How can I help my child grasp the concept of ones and tens in numbers? | |
Ans. You can help your child grasp the concept of ones and tens in numbers by using hands-on activities and visual aids. Manipulatives like base-ten blocks can be used to represent ones and tens. You can engage your child in counting, grouping, and regrouping these blocks to understand how numbers are composed of ones and tens. Additionally, providing real-life examples and relating the concept to everyday situations can make it more relatable and easier to comprehend.
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Nov 23, 2024 Last updated |
Document Description: Chapter Notes- Numbers for Class 1 2024 is part of Mathematics for Class 1: NCERT preparation.
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