Using Expressions to Find the Quotient

Oct 13, 2025 by wbrum.org 96 views

Introduction

In this lesson, we will explore how to find the quotient of a division problem by using a set of expressions that can be added together. We will focus on the division problem $805 \div 35$ and identify the expressions that can be used to find the quotient.

Understanding Division

Division is a mathematical operation that involves finding the number of times one number can be divided by another number. It is denoted by the symbol $\div$ . For example, in the division problem $805 \div 35$ , we want to find the number of times $35$ can be divided into $805$ .

Using Expressions to Find the Quotient

To find the quotient of a division problem, we can use a set of expressions that can be added together. These expressions are based on the properties of division and can be used to simplify the division problem.

Properties of Division

Division is Commutative: The order of the dividend and the divisor does not change the quotient. For example, $805 \div 35 = 35 \div 805$ .
Division is Associative: The order in which we divide the dividend by the divisor does not change the quotient. For example, $(805 \div 35) \div 10 = 805 \div (35 \div 10)$ .
Division is Distributive: We can divide the dividend by the divisor and then divide the result by another number. For example, $805 \div 35 = (350 \div 10) + (70 \div 35)$ .

Using the Properties of Division to Find the Quotient

Using the properties of division, we can rewrite the division problem $805 \div 35$ as a set of expressions that can be added together.

Using the Commutative Property: We can rewrite the division problem as $35 \div 805$ .
Using the Associative Property: We can rewrite the division problem as $(805 \div 35) \div 10$ .
Using the Distributive Property: We can rewrite the division problem as $(350 \div 10) + (70 \div 35)$ .

Identifying the Correct Expressions

Now that we have rewritten the division problem using the properties of division, we can identify the correct expressions that can be added together to find the quotient.

Expression 1: $350 \div 10$
Expression 2: $350 \div 35$
Expression 3: $70 \div 35$

We can see that Expression 1 and Expression 3 can be added together to find the quotient of the division problem $805 \div 35$ .

Conclusion

In this lesson, we have learned how to use a set of expressions to find the quotient of a division problem. We have used the properties of division to rewrite the division problem and identify the correct expressions that can be added together to find the quotient. We have also seen how to use the commutative, associative, and distributive properties of division to simplify the division problem.

Example Problem

Find the quotient of the division problem $805 \div 35$ using the expressions $350 \div 10$ and $70 \div 35$ .

Solution

To find the quotient, we can add the expressions $350 \div 10$ and $70 \div 35$ together.

$350 \div 10 = 35$

$70 \div 35 = 2$

$35 + 2 = 37$

Therefore, the quotient of the division problem $805 \div 35$ is $37$ .

Practice Problems

Find the quotient of the division problem $945 \div 45$ using the expressions $315 \div 15$ and $90 \div 45$ .
Find the quotient of the division problem $630 \div 30$ using the expressions $210 \div 10$ and $60 \div 30$ .
Find the quotient of the division problem $840 \div 40$ using the expressions $280 \div 20$ and $100 \div 40$ .

Answers

$21$
$21$
$21$

Assessment

To assess your understanding of this lesson, try the following problems:

Find the quotient of the division problem $945 \div 45$ using the expressions $315 \div 15$ and $90 \div 45$ .
Find the quotient of the division problem $630 \div 30$ using the expressions $210 \div 10$ and $60 \div 30$ .
Find the quotient of the division problem $840 \div 40$ using the expressions $280 \div 20$ and $100 \div 40$ .

Grading

Correct Answer: 3 points
Incorrect Answer: 0 points

Conclusion

Q&A: Finding the Quotient of a Division Problem

Frequently Asked Questions

Q: What is the quotient of a division problem?

A: The quotient of a division problem is the result of dividing one number by another number. It is denoted by the symbol $\div$ . For example, in the division problem $805 \div 35$ , the quotient is the number of times $35$ can be divided into $805$ .

Q: How do I find the quotient of a division problem?

A: To find the quotient of a division problem, you can use a set of expressions that can be added together. These expressions are based on the properties of division and can be used to simplify the division problem.

Q: What are the properties of division?

A: The properties of division are:

Division is Commutative: The order of the dividend and the divisor does not change the quotient. For example, $805 \div 35 = 35 \div 805$ .
Division is Associative: The order in which we divide the dividend by the divisor does not change the quotient. For example, $(805 \div 35) \div 10 = 805 \div (35 \div 10)$ .
Division is Distributive: We can divide the dividend by the divisor and then divide the result by another number. For example, $805 \div 35 = (350 \div 10) + (70 \div 35)$ .

Q: How do I use the properties of division to find the quotient?

A: To use the properties of division to find the quotient, you can rewrite the division problem using the commutative, associative, and distributive properties of division.

Q: What are some examples of using the properties of division to find the quotient?

A: Here are some examples of using the properties of division to find the quotient:

Example 1: Find the quotient of the division problem $805 \div 35$ using the expressions $350 \div 10$ and $70 \div 35$ .
Example 2: Find the quotient of the division problem $945 \div 45$ using the expressions $315 \div 15$ and $90 \div 45$ .
Example 3: Find the quotient of the division problem $630 \div 30$ using the expressions $210 \div 10$ and $60 \div 30$ .

Q: How do I identify the correct expressions to use to find the quotient?

A: To identify the correct expressions to use to find the quotient, you can look for expressions that can be added together to equal the dividend. For example, in the division problem $805 \div 35$ , the expressions $350 \div 10$ and $70 \div 35$ can be added together to equal $805$ .

Q: What are some common mistakes to avoid when finding the quotient of a division problem?

A: Here are some common mistakes to avoid when finding the quotient of a division problem:

Mistake 1: Not using the correct expressions to find the quotient.
Mistake 2: Not adding the expressions together correctly.
Mistake 3: Not using the properties of division correctly.

Q: How do I practice finding the quotient of a division problem?

A: To practice finding the quotient of a division problem, you can try the following:

Practice Problem 1: Find the quotient of the division problem $945 \div 45$ using the expressions $315 \div 15$ and $90 \div 45$ .
Practice Problem 2: Find the quotient of the division problem $630 \div 30$ using the expressions $210 \div 10$ and $60 \div 30$ .
Practice Problem 3: Find the quotient of the division problem $840 \div 40$ using the expressions $280 \div 20$ and $100 \div 40$ .

Q: How do I assess my understanding of finding the quotient of a division problem?

A: To assess your understanding of finding the quotient of a division problem, you can try the following:

Assessment Problem 1: Find the quotient of the division problem $945 \div 45$ using the expressions $315 \div 15$ and $90 \div 45$ .
Assessment Problem 2: Find the quotient of the division problem $630 \div 30$ using the expressions $210 \div 10$ and $60 \div 30$ .
Assessment Problem 3: Find the quotient of the division problem $840 \div 40$ using the expressions $280 \div 20$ and $100 \div 40$ .

Q: How do I get help if I am struggling with finding the quotient of a division problem?

A: If you are struggling with finding the quotient of a division problem, you can try the following:

Ask a teacher or tutor for help: If you are having trouble understanding the concept of finding the quotient of a division problem, you can ask a teacher or tutor for help.
Practice with online resources: There are many online resources available that can help you practice finding the quotient of a division problem.
Join a study group: Joining a study group can be a great way to get help and practice finding the quotient of a division problem with your peers.