In this learning concept, the students will learn about class 2, 3- digit numbers. They will learn about consecutive numbers.

In this learning concept, the students will learn to

- Identify the smallest three-digit number and the greatest three-digit number.
- Expressing 3- digit numbers in numerals and words
- Relate the use of the 3-digit number in real-life

Each concept of a 3-digit number is explained to class 2 maths students using illustrations, examples, and mind maps. Students can assess their learning by solving the two printable worksheets given at the pages’ end.

Download the 3-digit number worksheet for class 2 and check the solutions for the concept of numbers provided in PDF format.

A number is an arithmetic value used for representing the quantity and in making calculations.

- The numbers which are continuously following each other in the order of smallest to greatest are called
**consecutive numbers.**

**Example :**

Numbers like 101, 102, 103, 104, …etc are called consecutive numbers.

Here we will discuss 3 - digit numbers. We start counting three-digit numbers from 100.

- The greatest two-digit number is 99 and 100 comes just after 99.
- 3-Digit numbers start from 100. It is the smallest 3-digit number.
- The number 100 is important for counting. We can represent 100 as a group to make counting easy.

So, 236 can be represented by

2 boxes of 10 by 10 chocolate bars, 1 boxes of 5 by 5 chocolate bars, 1 boxes of 5 by 2 chocolate bars and 1 chocolate piece

Using ten rupees notes we can also count 100.

- According to their values, the three digits are placed from right to left at one’s place, ten’s place, and hundred’s place respectively.
- To read and write numbers beyond 100, we can proceed in the same way as we have done it for 2-digit numbers.

Hundred’s In Word | ||
---|---|---|

Range | Numerals | Numbers in word |

100 – 199 | 100, 101, 102, ….,199 | One hundred, One hundred One, One hundred Two, ….,One hundred Ninety-Nine |

200 – 299 | 200, 201, 202, …, 299 | Two Hundred, Two hundred One, Two hundred Two, …., Two hundred Ninety-Nine |

300 – 399 | 300, 301, 302, …, 399 | Three hundred, Three hundred One, Three hundred Two, …., Three hundred Ninety-Nine |

400 – 499 | 400, 401, 402, …, 499 | Four hundred, Four hundred One, Four hundred Two, …., Four hundred Ninety-Nine |

500 – 599 | 500, 501, 502, …, 599 | Five hundred, Five hundred One, Five hundred Two, …., Five hundred Ninety-Nine |

600 – 699 | 600, 601, 602, …, 699 | Six hundred, Six hundred One, Six hundred Two, …., Six hundred Ninety-Nine |

700 – 799 | 700, 701, 702, …, 799 | Seven hundred, Seven hundred One, Seven hundred Two, …., Seven hundred Ninety-Nine |

800 – 899 | 800, 801, 802, …, 899 | Eight hundred, Eight hundred One, Eight hundred Two, …., Eight hundred Ninety-Nine |

900 – 999 | 900, 901, 902, …, 999 | Nine hundred, Nine hundred One, Nine hundred Two, …., Nine hundred Ninety-Nine |

**Example :** Write these numbers in words.

456, 897, 733, 998

**Answer:**

456 | Four Hundred and Fifty-Six |

897 | Eight Hundred and Ninety-Seven |

733 | Seven Hundred and Thirty-three |

998 | Nine Hundred and Ninety-Eight |

The Greatest 3-Digit number is 999.

In words, 999 is written as Nine Hundred Ninety-Nine.

In our real life we have seen uses of 3-Digit numbers of various kinds. The three-digit number are seen.

- In the notes
- Weights used in the shops
- In the strips of medicine informing about the amount of a certain drug etc.

Following pictures are given for example to show how 3-digit numbers are useful in daily life.

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