Algebra 1 : How to add integers

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #187 : Real Numbers

Add the integers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

Add the tens digits.

Since this number is 10 or greater, we will use the tens place as the carryover.

Add the hundreds place with the carryover.  The hundreds place for number  is zero.

Combine the ones digits.

The answer is:  

Example Question #181 : Real Numbers

Add the integers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

Add the tens digits.

Combine the numbers.

The answer is:  

Example Question #189 : Real Numbers

Add the following numbers:  

Possible Answers:

Correct answer:

Explanation:

Set up an expression to add the numbers.

Add the ones digits.

Add the tens digits.

Combine both numbers.

The answer is;  

Example Question #190 : Real Numbers

Add the following integers: 

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

The tens place is the carryover.

Add the tens digits with the carryover.

The tens place is the carryover.

Add the hundreds digits with the carryover.

The tens place is the carryover.

Add the thousands place. The thousands place for  is zero.

Combine all the ones digits from the previous calculations.

The answer is: 

Example Question #191 : Real Numbers

Add the following integers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

Add the tens digits.

The carryover for this number is the tens digit, .

Add the hundreds digits with the carryover.  The hundreds digit for  is zero.

The answer is:  

Example Question #192 : Real Numbers

Add:

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

Add the tens digits.

The carryover is the tens digit, which is .

Add the hundreds digit with the carryover.

Combine all the ones digits from the previous calculations.

The answer is: 

Example Question #193 : Real Numbers

Add the following numbers: 

Possible Answers:

Correct answer:

Explanation:

Write an expression to add the numbers.

Add the ones digits.

The carryover is the tens place.

Add the tens digits with the carryover.

Combine the ones digits of each calculation.

The answer is: 

Example Question #194 : Real Numbers

Add the integers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

Add the tens digits.

The tens place of this number will be the carryover.

Add the hundreds digits with the carryover.

Combine this number with the other ones digits from the previous calculations.

The answer is:  

Example Question #195 : Real Numbers

Add the integers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

The tens place is the carryover.

Add the tens digits with the carryover.

Combine this number with the ones digit of the first calculation.

The answer is:  

Example Question #191 : Integer Operations

Add:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

The tens place is the carryover.

Add the tens digits with the carryover.

The tens place is the carryover.

Add the hundreds digits with the carryover.

There is no carryover since there is no tens digit.

The thousands digit remain the same.

Combine the thousands, hundreds, tens, and ones digits in order.

The answer is:  

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