Algebra 1 : How to add integers

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #156 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

When a plus and minus are together, the sign changes to negative. We add from left to right. When adding two negative numbers, we treat as addition but keep the minus sign in the end. We then have . Then same rules apply and when we add another , we get .

Example Question #157 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

When a plus and minus are together, the sign changes to negative. We add from left to right. When adding two negative numbers, we treat as addition but keep the minus sign in the end. We then have . Then same rules apply and when we add another , we get .

Example Question #159 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

First, let's work from left to right. We have simple addition which gives us . Next, a plus and minus sign make a minus sign. Since  is greater than  and is negative, our answer is negative. We treat as a subtraction problem and get an answer of .

Example Question #160 : Real Numbers

Solve.

 

Possible Answers:

Correct answer:

Explanation:

First, let's work from left to right. A plus and minus sign make a minus sign. Since  is greater than  and is positive, our answer is positive. We treat as a subtraction problem and get an answer of . Then,  is greater than  and is positive, our answer is positive. Our final answer is .

Example Question #161 : Integer Operations

Solve.

Possible Answers:

Correct answer:

Explanation:

First, let's work from left to right. A plus and minus sign make a minus sign. Since  is greater than  and is positive, our answer is positive. We treat as a subtraction problem and get an answer of . Then,  is greater than  and is negative, our answer is negative. Our final answer is .

Example Question #31 : How To Add Integers

Solve.

Possible Answers:

Correct answer:

Explanation:

When a plus and minus are together, the sign changes to negative. When adding two negative numbers, we treat as addition but keep the minus sign in the end. The answer is .

Example Question #32 : How To Add Integers

Simplify the following expression:

Possible Answers:

Correct answer:

Explanation:

To solve this question you need to simply across. Performing the function that is is asking for. So,

Example Question #33 : How To Add Integers

Possible Answers:

Correct answer:

Explanation:

Both numbers are positive. Just add normally. The sum is .

Example Question #34 : How To Add Integers

Possible Answers:

Correct answer:

Explanation:

The plus and minus sign become a minus sign. It's just a subtraction problem. Answer is .

Example Question #35 : How To Add Integers

Possible Answers:

Correct answer:

Explanation:

Since  is greater than  and is negative, our answer is negative. We treat as a normal subtraction. Answer is .

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