Algebra II : Elementary Operations

Study concepts, example questions & explanations for Algebra II

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Example Questions

Example Question #41 : Elementary Operations

Add the numbers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

The carryover is the tens place, one.

Add the tens places with the carryover.

There is no carryover.

Add the hundreds places.

Combine the numbers.

The answer is:  

Example Question #42 : Elementary Operations

Add the numbers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

Add the tens digits.

The tens place of this number is the carryover.

Add the hundreds place with the carryover.

The tens place of this number is the carryover.

Add the thousands place with the carryover.

Combine the ones digits of each calculation.

The answer is:  

Example Question #43 : Elementary Operations

Subtract the numbers:  

Possible Answers:

Correct answer:

Explanation:

Borrow a one from the tens place of the first number to subtract the ones digits.

The tens place of  becomes a six.

Subtract the ones digits.

Borrow a one from the hundreds place of the first number to subtract the tens digits.

The hundreds place of  becomes an eight.  Recall that the tens place is a six!

Subtract the tens digits.

Subtract the hundreds digits.

Combine the digits.

The answer is:  

Example Question #44 : Elementary Operations

Add the numbers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

The tens place is one and will be the carryover for the next calculation.

Add the tens digits with the carryover.

The tens digit is the carryover.

Add the hundreds digits.

Combine this number with the ones digits of the previous calculations.

The answer is:  

Example Question #45 : Elementary Operations

Add the following numbers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

The tens place is the carryover.

Add the tens places with the carryover.

The tens place of this number is the carryover.

Add the hundreds places with the carryover.

Add the thousands places with the carryover.

Combine the digits.

The answer is:  

Example Question #46 : Elementary Operations

Add the following numbers:  

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 of this value is the carryover for the next calculation.

Add the hundreds digits.

Combine this number with the ones digits of the previous numbers.

The answer is:  

Example Question #47 : Elementary Operations

Add the following numbers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

The carryover is the tens digit of this number.

Add the tens digits with the carryover.

The carryover is the tens digit of this number.

Add the hundreds digits with the carryover.

Combine the digits.

The answer is:  

Example Question #48 : Elementary Operations

Add the numbers:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

There is no carryover.

Add the tens digits.

There is no carryover.

Add the hundreds places.

Combine the numbers.

The answer is:  

Example Question #49 : Elementary Operations

Add the following numbers: 

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

The tens place is the carryover.

Add the tens places with the carryover.

The tens place is the carryover.

Add the hundreds places with the carryover.

Combine the digits.  

The answer is:  

Example Question #50 : Elementary Operations

Evaluate:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digits.

The tens place is the carryover.

Add the tens places with the carryover.

The tens place is the carryover.

Add the hundreds places with the carryover.

Combine this number with the ones digits of the other numbers.

The answer is:  

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