Classifying Numbers
The category of numbers that only includes positive counting numbers.
What is a natural number?
Add.
-18 + 10
-8
Subtract. Be sure to simplify.
4/5 - 1/5
3/5
Write 0.025 as a fraction; simplify.
1/40
Evaluate.
6/3 + 92 - 4
79
The category of numbers that includes positive and negative counting numbers and zero.
What are integers?
Subtract.
23 - (-10)
33
Add. Be sure to simplify.
2/3 + 4/9
10/9
Write 2.02 in fraction form. Simplify.
2 1/50
6(2) + 62
48
The category of numbers that can be written in fraction form.
What are rational numbers?
Subtract.
-25 - 3
-28
Subtract. Be sure to simplify.
6/10 - 3/5
0
Write 22.105 in fraction form. Simplify.
22 21/200
42/22
4
The category of numbers that include decimals that do no repeat or terminate.
What are irrational numbers?
Multiply.
-4(-3)
12
Multiply. Be sure to simplify.
2/3(5/7)
10/21
Convert 5/9 into decimal form.
0.5 with the 5 repeating
9 + 62 - 2(8)
29
The category of numbers that include natural, whole, integers, rational, and irrational numbers.
What are real numbers?
Divide.
35/-5
-7
Divide. Be sure to simplify.
3/4 divided by 1/2
3/2
Convert 6/4 into decimal form.
1.5
1/5(6 + 3 + 1)2
20