ISEE Middle Level Quantitative : How to multiply

Study concepts, example questions & explanations for ISEE Middle Level Quantitative

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Example Questions

Example Question #31 : Whole Numbers

Solve:

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem using multiplication, we must multiply each digit of the multiplier by each digit of the multiplicand to get the answer, which is called the product.

For this problem,  is the multiplier and  is the multiplicand. We start with the multiplier, and multiply the digit in the ones place by each digit of the multiplicand. 

First, we multiply  and 

Then, we multiply  and 

 

Now, we multiply the digit in the tens place of the multiplier by each digit of the multiplicand. In order to do this, we need to start a new line in our math problem and put a  as a place holder in the ones position. 

Next, we multiply  and 

Then, we multiply  and 

Finally, we add the two products together to find our final answer 

Example Question #32 : Whole Numbers

Solve:

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem using multiplication, we must multiply each digit of the multiplier by each digit of the multiplicand to get the answer, which is called the product.

For this problem,  is the multiplier and  is the multiplicand. We start with the multiplier, and multiply the digit in the ones place by each digit of the multiplicand. 

First, we multiply  and 

Then, we multiply  and 

 

Now, we multiply the digit in the tens place of the multiplier by each digit of the multiplicand. In order to do this, we need to start a new line in our math problem and put a  as a place holder in the ones position. 

Next, we multiply  and 

Then, we multiply  and 

Finally, we add the two products together to find our final answer 

Example Question #33 : Whole Numbers

Solve:

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem using multiplication, we must multiply each digit of the multiplier by each digit of the multiplicand to get the answer, which is called the product.

For this problem,  is the multiplier and  is the multiplicand. We start with the multiplier, and multiply the digit in the ones place by each digit of the multiplicand. 

First, we multiply  and 

Then, we multiply  and  and add the  that was carried

 

Now, we multiply the digit in the tens place of the multiplier by each digit of the multiplicand. In order to do this, we need to start a new line in our math problem and put a  as a place holder in the ones position. 

Next, we multiply  and 

Then, we multiply  and 

Finally, we add the two products together to find our final answer 

Example Question #34 : Whole Numbers

Solve:

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem using multiplication, we must multiply each digit of the multiplier by each digit of the multiplicand to get the answer, which is called the product.

For this problem,  is the multiplier and  is the multiplicand. We start with the multiplier, and multiply the digit in the ones place by each digit of the multiplicand. 

First, we multiply  and 

Then, we multiply  and  and add the  that was carried

 

Now, we multiply the digit in the tens place of the multiplier by each digit of the multiplicand. In order to do this, we need to start a new line in our math problem and put a  as a place holder in the ones position. 

Next, we multiply  and 

Then, we multiply  and 

Finally, we add the two products together to find our final answer 

Example Question #35 : Whole Numbers

Solve:

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem using multiplication, we must multiply each digit of the multiplier by each digit of the multiplicand to get the answer, which is called the product.

For this problem,  is the multiplier and  is the multiplicand. We start with the multiplier, and multiply the digit in the ones place by each digit of the multiplicand. 

First, we multiply  and 

Then, we multiply  and 

 

Now, we multiply the digit in the tens place of the multiplier by each digit of the multiplicand. In order to do this, we need to start a new line in our math problem and put a  as a place holder in the ones position. 

Next, we multiply  and 

Then, we multiply  and 

Finally, we add the two products together to find our final answer 

Example Question #36 : Whole Numbers

Solve:

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem using multiplication, we must multiply each digit of the multiplier by each digit of the multiplicand to get the answer, which is called the product.

For this problem,  is the multiplier and  is the multiplicand. We start with the multiplier, and multiply the digit in the ones place by each digit of the multiplicand. 

First, we multiply  and 

Then, we multiply  and 

 

Now, we multiply the digit in the tens place of the multiplier by each digit of the multiplicand. In order to do this, we need to start a new line in our math problem and put a  as a place holder in the ones position. 

Next, we multiply  and 

Then, we multiply  and 

Finally, we add the two products together to find our final answer 

Example Question #37 : Whole Numbers

Solve:

Possible Answers:

Correct answer:

Explanation:

 

In order to solve this problem using multiplication, we must multiply each digit of the multiplier by each digit of the multiplicand to get the answer, which is called the product.

For this problem, 35 is the multiplier and 51 is the multiplicand. We start with the multiplier, and multiply the digit in the ones place by each digit of the multiplicand.

First, we multiply 5 and 1

Then, we multiply 5 and 5

Now, we multiply the digit in the tens place of the multiplier by each digit of the multiplicand. In order to do this, we need to start a new line in our math problem and put a 0 as a place holder in the ones position.

Next, we multiply 3 and 1

Then, we multiply 3 and 5

Finally, we add the two products together to find our final answer

 

Example Question #38 : Whole Numbers

Solve:

Possible Answers:

Correct answer:

Explanation:

 

In order to solve this problem using multiplication, we must multiply each digit of the multiplier by each digit of the multiplicand to get the answer, which is called the product.

For this problem, 68 is the multiplier and 54 is the multiplicand. We start with the multiplier, and multiply the digit in the ones place by each digit of the multiplicand.

First, we multiply 8 and 4

Then, we multiply 8 and 5 and add the 3 that was carried

Now, we multiply the digit in the tens place of the multiplier by each digit of the multiplicand. In order to do this, we need to start a new line in our math problem and put a 0 as a place holder in the ones position.

Next, we multiply 6 and 4

Then, we multiply 6 and 5and add the 2 that was carried

Finally, we add the two products together to find our final answer

 

Example Question #39 : Whole Numbers

Solve:

Possible Answers:

Correct answer:

Explanation:

 

In order to solve this problem using multiplication, we must multiply each digit of the multiplier by each digit of the multiplicand to get the answer, which is called the product.

For this problem, 83 is the multiplier and 54 is the multiplicand. We start with the multiplier, and multiply the digit in the ones place by each digit of the multiplicand.

First, we multiply 3 and 4

Then, we multiply 3 and 5 and add the 1 that was carried

Now, we multiply the digit in the tens place of the multiplier by each digit of the multiplicand. In order to do this, we need to start a new line in our math problem and put a 0 as a place holder in the ones position.

Next, we multiply 8 and 4

Then, we multiply 8 and 5and add the 3 that was carried

Finally, we add the two products together to find our final answer

 

Example Question #40 : Whole Numbers

Solve:

Possible Answers:

Correct answer:

Explanation:

 

In order to solve this problem using multiplication, we must multiply each digit of the multiplier by each digit of the multiplicand to get the answer, which is called the product.

For this problem, 62 is the multiplier and 72 is the multiplicand. We start with the multiplier, and multiply the digit in the ones place by each digit of the multiplicand.

First, we multiply 2 and 2

Then, we multiply 2 and 7

Now, we multiply the digit in the tens place of the multiplier by each digit of the multiplicand. In order to do this, we need to start a new line in our math problem and put a 0 as a place holder in the ones position.

Next, we multiply 6 and 2

Then, we multiply 6 and 7and add the 1 that was carried

Finally, we add the two products together to find our final answer

 

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