Algebra 1 : How to multiply integers

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #2572 : Algebra 1

Multiply:  

Possible Answers:

Correct answer:

Explanation:

First multiply the  with the ones digit of the second number, .

Multiply the ones digit.

The carryover is the tens place since we have a number that is 10 or greater.

Multiply the tens digit with the eight, and add the carryover, .

The first line, by multiplying , is .

Skip a line and add a zero as a placeholder for the ones digit.

Multiply the  with the tens digit of the second number, .

Combine this number in front of the zero placeholder.  We will be adding the two numbers from the first and second line.

We should have:

Add the two numbers.

The answer is:  

Example Question #2573 : Algebra 1

Multiply: 

Possible Answers:

Correct answer:

Explanation:

Multiply the ones digits.

The two is the ones place of the final answer.

The tenths place, , is the carryover for the next calculation.

Multiply the tens places of  with , and add the seven as carryover.

Combine the numbers.

The answer is: 

Example Question #2574 : Algebra 1

Multiply:  

Possible Answers:

Correct answer:

Explanation:

Multiply the ones digits.

Carry over the tens digit, , to the next calculation.

Multiply the seven with the nine, and add the carry over.

Combine these two numbers and the ones digit in our first calculation.

The answer is:  

Example Question #2575 : Algebra 1

Multiply:  

Possible Answers:

Correct answer:

Explanation:

Multiply the ones digits together.

The ones digit of the final answer is 7.

The tens place, 2, is the carryover for the next calculation.

Multiply the tens digit of 63 with 9, and add the value of the carryover.

Combine the digits.

The answer is:  

Example Question #2576 : Algebra 1

Multiply the following numbers:  

Possible Answers:

Correct answer:

Explanation:

Multiply the ones digit of 234 with 8.

The carryover is 3.

Multiply the tens digit with 8 and add the carryover.

The carryover is 2.

Multiply the hundreds digit with 8 and add the carryover.

Combine these two numbers and the ones digits of the previous calculations.

The answer is:  

Example Question #2577 : Algebra 1

When evaluating the expression 

,

which of the five operations must be carried out third?

Possible Answers:

Squaring

Division 

Addition

Subtraction

Multplication

Correct answer:

Multplication

Explanation:

In the order of operations, in the absence of grouping symbols, the first operation to be carried out must be the exponent (squaring). The next operations must be the multiplication and division, in left-to-right order. The division is at left, so the dvision must be carried out second, and the multiplication third. This makes multiplication the correct choice.

Example Question #2578 : Algebra 1

Multiply the two numbers:  

Possible Answers:

Correct answer:

Explanation:

Multiply the two and eight.

The tens digit, , is the carryover for the next calculation.

Multiply the six and eight and add the carryover.

Combine the numbers.

The answer is:  

Example Question #2579 : Algebra 1

Multiply:  

Possible Answers:

Correct answer:

Explanation:

Multiply the ones digits.

Since there is a tens place, use the tens place as the carryover.

Multiply the tens place of the first number with the ones place of the second number and add the carryover.

Combine the numbers.  

The answer is:  

Example Question #2580 : Algebra 1

Multiply:  

Possible Answers:

Correct answer:

Explanation:

Evaluate the multiplication of the first two numbers first.

Multiply this number with 8.

The answer is:  

Example Question #41 : How To Multiply Integers

Multiply the following numbers:

Possible Answers:

Correct answer:

Explanation:

Multiply the ones digits.

The tens digit is eight, which is the carryover.

Multiply the tens digit of the first number with the ones digit of the second number.

Combine the numbers with the ones digit of the first calculation.

The answer is: 

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