A Story of Numbers

Why is studying different types of numbers important?

1. Number systems help classify numbers and make mathematical operations, measurements, algebra, geometry, science, and everyday calculations easier.
2. Number systems are useful only in examinations.
3. They are required only for geometry.
4. Number systems have no practical use.

Which of the following is a positive rational number?

1. -4/7
2. 5/9
3. -8
4. -0.75

Which fraction is greater?

1. 2/5
2. 3/5
3. They are equal
4. Cannot be compared

Which of the following is NOT an integer?

1. -8
2. 15
3. 0
4. 5/2

Which decimal represents the fraction 3/5?

1. 0.3
2. 0.5
3. 0.6
4. 0.8

Which number system includes all rational and irrational numbers?

1. Whole numbers
2. Integers
3. Real numbers
4. Natural numbers

Which of the following is equivalent to 3/4?

1. 6/8
2. 5/8
3. 4/5
4. 9/16

Which of the following is the smallest number?

1. -2
2. 0
3. 3
4. 7

Which statement is true about integers?

1. They include only positive numbers.
2. They include positive numbers, negative numbers, and zero.
3. They include fractions only.
4. They exclude zero.

Which of the following fractions is equal to 0.5?

1. 2/5
2. 1/2
3. 3/5
4. 2/3

Which number is both a whole number and a rational number?

1. 12
2. √3
3. π
4. √10

Which of the following is a recurring decimal?

1. 0.25
2. 0.125
3. 0.333...
4. 0.75

Which of the following is a terminating decimal?

1. 3/8
2. 1/3
3. 2/9
4. 5/11

Which of the following is an irrational number?

1. 7/8
2. 0.25
3. √5
4. -9

Which of the following is a rational number?

1. 3/5
2. √2
3. π
4. √7