The Greatest 2 Digit Number

Roman abacuses or stone tokens were used in times when people were not familiar with the number system, which dates back thousands of years. There was a growing demand for larger denominations as time passed and trade between nations and regions advanced. As a result, the number of systems that are used today was developed.

The requirement to manage larger numbers also came out as the nations advanced. We became curious about the separation between the earth and the moon, the speed of light, and the size of microorganisms, which prompted us to develop a larger number of systems. This led to the introduction of the concept of numbers and digits.

It is very simple to count small amounts. Without using a calculator or pen and paper, we can count the fingers on our hand or the petals on a flower very easily. We work with single-digit numbers in these circumstances. One is the smallest, and nine is the largest single-digit counting number. Let us learn what is the greatest number.

What are Digits?

In Mathematics, numbers are represented by digits, which are used as a single symbol. 8 and 9 are two digits in the number 89, for instance. Due to this, the numerals 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 are the digits that are used in our daily lives to represent groups of numbers and perform arithmetic operations.

In Computer Science, the word "digits" should be used instead. These digits are sometimes just referred to as numbers in Mathematics or as numerical digits. One-digit numbers range from zero to nine, with nine being the largest.

Two Digits Numbers

The smallest two-digit number is obtained by adding one unit to the largest one-digit number.

1+9 = 10

The smallest and largest 2-digit numbers are 10 and 99, respectively.

2-Digit Numbers

Now, picture a large auditorium with hundreds of people inside. With this many people, it is impossible for us to count them with our fingers alone. We use numbers with up to three digits to handle such measures.

Place Value in 2-Digit Number

More about 2-Digit Numbers

Some of the tips and tricks on numbers up to 2-digits.

• Any one-digit number (from 1 to 9) multiplied by 10 produces a two-digit number as the outcome. For illustration, 4 x 10 = 40.

• 11 is the smallest two-digit number with just one digit.

• 10 is the smallest two-digit number with two separate digits. Thus, the smallest two-digit number is 10.

• 99 is the largest two-digit number with just one digit. So, the largest two-digit number is 99.

• In two-digit numbers, the only place values available are ones and tens.

• There are 90 "2-digit numbers," numbered from 10 to 99.

Solved Example

1. Create a two-digit number with 5 in the one's place and 7 in the tens place, for example. Include the number name and the expanded form of the number.

Ans: The number is 75 if 7 is in the tens place and 5 is in the one's place.

75 expanded is equal to 70 plus 5. This can also be written as seven tens plus five ones.

Seventy-five is the name given to the number.

Practice Questions

Q1. What is the difference between the greatest and smallest 2-digit number?

Ans: 89

Q2. What is the biggest two-digit number that is divisible by 10?

Ans: 90

Summary

Only the unit place and the tens place are available for 2-digit numbers. Every number with multiple digits has various digits that are each described by their place values. Two-digit numbers have a range of 0 to 99. So, the smallest 2-digit number is 10, and the largest 2-digit number is 99.

Here we have explained all the facts about the greatest two-digit numbers. Some practice questions are provided for your better understanding, and you can test yourself with the help of these questions.