Dividing Rational #'s
What result do you get when you divide a negative by a negative?
A positive answer
What result do you get when you multiply a positive times a negative?
A negative answer
Solve the problem
15 - (-8)
23
-16 + (-8)
-24
What goes in the blank?
What do you call it when you "flip" a fraction upside down: ________________.
Reciprocal
8.2 divided by -4
-2.05
12.80 x 6.3
80.640
Mickey borrowed $75.00 from his grandparents to purchase a season pass to a theme park. After saving up his allowance for one month, he is able to pay them $24.65. How much does Mickey still owe his grandparents?
Mickey owes his grandparents $50.35 because he borrwed $75.00 and he paid $24.65.
6.25 + (-8.50)
-2.25
What goes in the blank?
What is the top of a fraction called: ________________.
-2/3 divided by 1/2
-1 1/3 or -4/3
4.5 x (-3)
-13.5
-9/10 - (-3/10) Simplify your answer
-3/5
-54.26 + (-15.42)
-69.68
What goes in the blank?
__________ is any number that can be represented as a fraction.
Rational
-8/9 divided by -4/9
2
-15.6 x (-2)
31.2
-20 - 9
-29
-1 1/2 + 2 7/10
1 1/5 or 6/5
What goes in the blank?
To write a fraction as a decimal you must ___________ the numerator by the denominator.
Divide
-1 3/8 divided by 1/8
-11
-7/10 x 1/4
-7/40
10.8 - (-6.4)
17.2
-6/11 + 3
27/11 or 2 5/11
What goes in the blank?
______________ is the term for two numbers that are opposites, when added together they equal zero.
Additive inverse