Random Review
What is absolute value?
The distance a number is from zero.
Add the integers
6+(-4)
2
Subtract the integers
117-119
-2
Multiply the integers
(-3)·(2)
-6
Divide the integers
15 ÷ -3
-5
What are Counting Numbers?
Numbers used for counting
(1, 2, 3...)
|15|
15
Add the integers
-6 + (-11)
-17
Subtract the integers
-5-7
What is -12?
Multiply the integers
(3)·(-6)
-18
Divide the integers
-28/7
-4
What are whole numbers?
Counting numbers & zero
(0, 1, 2, 3...)
- | –45 |
-45
Add the rational numbers.
-1/5 + -3/5
-4/5
Subtract the rational numbers.
12/4 - (-1/8)
3 1/8
(-7)·(-7)
49
Divide the integers.
-54/9
What are integers?
Whole numbers and their opposites.
(...-2, -1, 0, 1, 2...)
Convert the decimal to a fraction and simplify.
0.54
27/50
Add the rational numbers.
9.2 + (-2.8)
6.4
Subtract the rational numbers.
2.86 - 12.1
-9.24
(-15)·(-9)
135
Divide the integers
125/5
25
What are rational numbers?
A number that can be written as a fraction.
Convert the fraction to a decimal.
3/5
0.6
Add the rational numbers.
(-1/4) + (-0.67)
-0.92 or -23/25
Subtract the rational numbers.
(-1/4)- (-0.67)
0.42 or
21/50
Multiply the integers
2·(-7)·(-1)
14
Divide the integers
-3/8
-0.375
What are numbers that cannot be written as fractions?
Irrational Numbers