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## MCQ Questions For Class 9 Maths Number System

1. The number system we use today is called the base 10 number system.

2. In the base 10 number system, the number 10 is called a ‘decimal’.

3. The number 100 is called a ‘hundred’ and the number 1000 is called a ‘thousand’.

4. In the base 10 number system, every number is made up of a combination of 10 digits, 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

5. The number 0 is called the ‘zero’ and it represents the absence of quantity.

6. The number 1 is called the ‘one’ and it represents the smallest quantity possible.

7. The number 2 is called the ‘two’ and it represents twice the quantity of 1.

8. The number 3 is called the ‘three’ and it represents three times the quantity of 1.

9. The number 4 is called the ‘four’ and it represents four times the quantity of 1.

10. The number 5 is called the ‘five’ and it represents five times the quantity of 1.

11. The number 6 is called the ‘six’ and it represents six times the quantity of 1.

12. The number 7 is called the ‘seven’ and it represents seven times the quantity of 1.

13. The number 8 is called the ‘eight’

## Class 9 Math Number System

- Real numbers are the numbers that we use in everyday life. These include the whole numbers, fractions, and decimals. The real numbers can be written in a variety of ways, including as a decimal, a fraction, or a percentage.
- The number line is a way of visualizing the real numbers. It starts at 0 and goes to positive and negative infinity. Numbers to the right of 0 are positive, and numbers to the left of 0 are negative. The number line can be used to solve equations and problems.
- The whole numbers are the first set of numbers on the number line. They are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. The whole numbers are all positive, and they can be written as a decimal, fraction, or percentage.
- The fractions are the next set of numbers on the number line. They are between the whole numbers and the decimals. They are written as a number over a number. For example, 1/2 is the fraction 1 divided by 2. The fractions can also be written as a decimal or percentage.
- The decimals are the next set of numbers on the number line. They are between the fractions and the percentages. They are written as a number with a decimal point. For example, 0.5 is the decimal 0.5. The decimals can also be written as a fraction or percentage.

## Why Solve MCQ Questions for Class 9 Math Number Systems with Answers?

MCQ questions for class 9 math number systems can help students to improve their problem-solving skills. Additionally, these questions can also help students to better understand the concepts covered in the number systems topic.

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