-1+-1 equals
-2
-4 + -9 equals
-13
-1+2 equals
1
-9 + 3 equals
-6
I/3 is or is not an integer?
Is NOT an integer
A negative times a negative equals
A positive
If the signs are the same then you add the two numbers and?
Keep the sign
If the signs are different, subtract the two numbers and take?
The sign of the larger number (is taken when?)
In subtraction, change the sign of the second number, then add?
Then add the two numbers using the rules for addition
In multiplication if the signs of the two numbers are the same the answer is?
Positive
In multiplication ff the signs of the two numbers are different the answer is
Negative
An Irrational Number is a real number that cannot be written as?
A simple fraction
Every irrational number is a real number, true or false?
True (about irrational numbers)
Which is greater, a smaller negative number or a larger negative number?
A smaller negative number (is greater than?)
When multiplying fractions what do you do with the two fractions given?
You "just' multiply these together
7/15 - (-4/3) =
...
When subtracting a negative fraction from a positive fraction you
Changeing the minus to a plus and a negative to a positive occurs?
-9 - (-2) + 8 =
-1
Zero is not a natural number
...
0.9 is or is not an integer?
This is not an integer
Is a fraction a rational number?
IS a rational number
Each of these is a real number
Integers
Each of these is not a rational number
Real numbers (aren't all)
Each of these IS a real number
Rational numbers
Each of these is a real number as well
Irrational numbers
Are not always integers
Irrational numbers
When subtracting a negative fraction from a positive fraction what do you do
Find the lowest common denominator and switch the negative fraction to a positive fraction
When adding two numbers with the same sign...
You add their absolute values and use the common sign as the sign of the sum