All Pre-Algebra Resources
Example Questions
Example Question #72 : Negative Numbers
Solve:
When dividing with more than two integers, we count the number of negative signs. Since there are three, that means our answer is going to be negative. We divide from left to right. Answer is .
Example Question #2 : Add And Subtract Rational Numbers: Ccss.Math.Content.7.Ns.A.1d
Solve.
Example Question #291 : Operations And Properties
Solve the following
Let's refresh our memories about how regular multiplication works.
When you mulitply 2 positive integers (let's say a and b), you are combining b groups of a. For example:
You have 4 groups of 3, and you are adding them together to get 12.
We will do the same thing with negative integers.
So, the solution is
Example Question #15 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
Since is greater than and is positive, our answer is positive. We treat as a normal subtraction.
is the answer.
Example Question #16 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
Since is greater than and is negative, our answer is negative. We treat as a normal subtraction.
Answer is .
Example Question #17 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
When adding with another negative number, just treat as an addition problem and then add a negative sign in front.
Answer is
Example Question #71 : The Number System
Two negative signs become a plus sign. This is now an addition problem.
Answer is
Example Question #12 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
Two negative signs become a plus sign. Since is greater than and is positive, our answer is positive. We treat as a normal subtraction.
Answer is
Example Question #13 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
Two minus signs become a plus sign. Since is greater than and is negative, our answer is negative. We treat as a normal subtraction.
Answer is .
Example Question #131 : The Number System
When multiplying with a negative number, our answer is negative.
Answer is