Numbers
Like Denominators
Unlike Denominators
Multiplying Rational Numbers
Dividing Rational Numbers
100
What is the following set of numbers? {1,2,3,4,...}
Counting (Natural) Numbers
100
1/3 + 2/3
1
100
1/2 + 2/3
7/6 or 1 and 1/6
100
1/3 x 2/3
2/9
100
3 divided by 1/5
15
200
What is the following set of numbers? {...,-3,-2,-1,0,1,2,3,...}
Integers
200
-1/4 + (-2/4)
(-3/4)
200
3/5 - 4/7
1/35
200
-2/5 x 5/6
-1/3
200
-2 divided by 5/2
-4/5
300
If you had to sum up what rational numbers were in a definition, how would you define them?
Fractions and Decimals
300
3/6 - 1/6
1/3
300
-3/4 + 2/5
-7/20
300
-2 x -3/5
6/5
300
-7/3 divided by -6/7
49/18
400
We have learned about four number systems (sets): Counting Numbers, Whole Numbers, Integers, and Rational Numbers. To what system(s) does 0 belong?
Whole Numbers, Integers, and Rational Numbers
400
2/5 - (-7/5)
9/5
400
6/4 - (-3/2)
3
400
1/2 x 2/3 x 3/4
1/4
400
3/4 divided by -9/4
-1/3
500
There are two types of decimals. What are they?
Terminating and Repeating
500
If the denominators are the same, then you just what?
Add/Subtract the top numbers.
500
If you are adding or subtracting fractions that have unlike denominators, you must first make ______ denominators
Like
500
-1/2 x -2/3 x -3/4
-1/4
500
To divide by a rational number, instead you must ____________ by the ____________.
multiply by the reciprocal
M
e
n
u