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...)
Convert the decimal to a fraction. Simplify.
-0.54
-27/50
Add the rational numbers.
-1/5 + -3/5
-4/5
Subtract the rational numbers.
12/4 - (-1/8)
3 1/8
-3(3/5)
-1 4/5
-1/2 div 4/5
-5/8
What are integers?
Whole numbers and their opposites.
(...-2, -1, 0, 1, 2...)
Convert the fraction to a decimal.
1 3/5
1.6
Add the rational numbers.
9.2 + (-2.8)
6.4
Subtract the rational numbers.
2.86 - 12.1
-9.24
-1 4/7 (-3 2/3)
5 16/21
-5 3/5 divide 3 1/4
-1 47/65
What are rational numbers?
A number that can be written as a fraction.
On Halloween, Steve had 110 pieces of candy. Susan received 3/5 of that amount. Sarah had double the amount Susan received. How much total candy did all three of them have?
They have 308 pieces of candy.
Add the rational numbers.
(-1 1/4) + (-1/16)
-1 5/16
Subtract the rational numbers.
(- 1 1/4)- (-1/16)
-1 3/16
You hired a magician for $25.50 per hour and a clown for $21.75 per hour. They both worked 3.5 hours. What was the total amount you paid for the magician and the clown?
You paid $165.38 for the clown and magician.
(-2 1/3) / (-1 4/5 )
1 8/27
What is a complex fraction?
When a fraction has another fraction in the numerator, denominator, or both