Common Core: 7th Grade Math : The Number System
Study concepts, example questions & explanations for Common Core: 7th Grade Math
All Common Core: 7th Grade Math Resources
Example Questions
Example Question #2 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
When we add a negative number, the sign turns negative. Since we are adding two negative numbers, we treat this as an addition problem and add a minus sign in the end. 
Example Question #2 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
When dealing with negative numbers, let's see which number is greater. 
Example Question #3 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
Solve:
Remember that adding a negative number is the same as subtracting that same number if it were positive.
Example Question #4 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
Since 
Example Question #5 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
When a plus and minus sign meet, the sign is negative. The difference is 
Example Question #6 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
When a plus and a minus meet, the sign is negative. When adding two negatie numbers, we treat as addition and add the minus sign in the end. Answer is 
Example Question #5 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
When a plus and minus sign meet, we have a minus sign.
Since 
We treat as a normal subtraction.
Answer is 
Example Question #264 : Operations
When adding two negative numbers, we treat as an addition problem and add the minus sign in the end.
Add the ones digits together:
Add the tens digits together:
Combine the ones and tens digit to get final answer.
Answer is 
Example Question #11 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
When adding two negative numbers, we treat as an addition problem and add the minus sign in the end.
Another way to look at this problem is to start at negative seven on a number line and move to the left three places.
Answer is 
Example Question #12 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
Solve:
Since 
All Common Core: 7th Grade Math Resources
