All Common Core: 7th Grade Math Resources
Example Questions
Example Question #68 :The Number System
Use the number line provided to help solve the following problem:
In order to solve this problem, we need to start aton the number line.
Next, we havewhich means we need to moveplaces to the right on the number line. When we have an addition signwe move to the right because that is towards the positive side of the number line. When we have a subtraction signwe move to the left because that is towards the negative side of the number line.
The orange arrow movedplaces to the right, and ended at;因此,
Remember,andare opposite numbers. A number and its opposite always have a sum of.
Example Question #69 :The Number System
Use the number line provided to help solve the following problem:
In order to solve this problem, we need to start aton the number line.
Next, we havewhich means we need to moveplaces to the right on the number line. When we have an addition signwe move to the right because that is towards the positive side of the number line. When we have a subtraction signwe move to the left because that is towards the negative side of the number line.
The orange arrow movedplaces to the right, and ended at;因此,