Numbers

Question 1

What is any number (except imaginary numbers) that can be located on a number line?

Answer 1

Real Number

Question 2

What are numbers that cannot be written as a fraction?

Answer 2

Irrational Numbers

Question 3

What are non-repeating infinite decimals?

Answer 3

Irrational Numbers (3.14159…, √2)

Question 4

What are numbers that can be written as a fraction?

Answer 4

Rational Numbers

Question 5

Is 0.5 a rational number?

Answer 5

Yes, 0,5 can be written as 1/2.

Question 6

Is 0.25 a rational number?

Answer 6

Yes, 0.25 can be written as 1/4.

Question 7

Is 2 a rational number?

Answer 7

Yes, 2 can be written as 2/1.

Question 8

Is -5 a rational number?

Answer 8

Yes, -5 can be written as -5/1.

Question 9

Is 0.66666….. a rational number?

Answer 9

Yes, 0.66666…. can be written as 2/3.

Question 10

What are positive, negative or zero numbers that can be written as a decimal?

Answer 10

Integers (-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5)

Question 11

What are whole numbers?

Answer 11

0, 1, 2, 3, 4, 5, …….

Question 12

What are natural numbers?

Answer 12

1, 2, 3, 4, 5, 6, …….

Question 13

What is a whole number (other than 0 and 1) that is divisible by only the number 1 and itself?

Answer 13

Prime number (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, ….)

Question 14

What is a number with no decimal or fractional part, from the set of negative and positive numbers, including zero?

Answer 14

An integer

Question 15

Identify the integers below.

√8, 12.0, 14/2, −√15, √9, −√9, 37, −2/3, √36, −3.2, −16

Answer 15

12.0=12, 14/2=7, √9=3, −√9=−3, 37, √36=6
Answer:
12.0, 14/2, √9, −√9, 37, √36

Question 16

Identify the rational numbers below.

√49, −1.3, 11, 9/2, √35, −17, −√51, 24, −3/4, √12, 0.8

Answer 16

Rational numbers can be written as a fraction.

These numbers can be written as a fraction:

√49=7, -1.3=-13/10, 11=11, 9/2, −17=−17/1, 24=24/1, −3/4, 0.8=8/10
Answer:
√49, −1.3, 11, 9/2, −17, 24, −3/4, 0.8

Question 17

What is a positive number, negative number, or 0?

Answer 17

An integer

Question 18

What is the absolute value of |3|?

Answer 18

3

Question 19

What is the absolute value of |5|?

Answer 19

5

Question 20

What is the absolute value of |-2|?

Answer 20

2

Question 21

What is the absolute value of |-7|?

Answer 21

7