lesson 4 homework practice divide integers

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Chapter 2: operations with integers

Dividing Integers Worksheet: Easy Practice with Answers

Welcome to our comprehensive guide on dividing integers! Whether you're helping your child with homework, brushing up on your own math skills, or teaching, this worksheet offers a structured approach to mastering integer division. Integer division can be tricky due to the rules governing positive and negative numbers. Let's dive into understanding these rules and practice with some straightforward examples.

Table of Contents

Understanding Integer Division

Before we start practicing, let’s recall the basic rules of integer division:

• Same Sign: When you divide two integers with the same sign (both positive or both negative), the result is positive .
• Different Signs: When you divide two integers with different signs (one positive and one negative), the result is negative .

Here’s a simple breakdown:

Easy Division Examples

Let’s practice some easy division problems:

Example 1: 12 ÷ 3

Here, both numbers are positive:

Example 2: -10 ÷ 2

One number is negative and the other is positive:

• -10 ÷ 2 = -5

Example 3: -21 ÷ -7

Both numbers are negative:

• -21 ÷ -7 = 3

Worksheet for Division of Integers

Here’s a worksheet with a variety of integer division problems. Try to solve them using the rules we’ve discussed. Answers are provided at the end.

Further Practice

Now, let’s try some slightly more challenging problems:

Example 4: -35 ÷ 5

• -35 ÷ 5 = -7

Example 5: 200 ÷ -25

• 200 ÷ -25 = -8

Notes on Integer Division

🔍 Note: Remember that dividing by zero is undefined in mathematics. If you encounter such a problem, it has no solution.

💡 Note: In real-world scenarios, division can represent quantities being split evenly or rates of change. Understanding the sign rules helps interpret these contexts correctly.

To sum up, integer division involves understanding the impact of the signs of the numbers involved. With practice, the pattern becomes clear:

• When you divide two integers of the same sign, the quotient is positive.
• When you divide two integers of different signs, the quotient is negative.

This guide has provided you with examples, a worksheet, and notes to help you or your students master the division of integers. Keep practicing, and these rules will become second nature. Mathematics is about finding patterns and understanding the logic behind them, and with this knowledge, you're well on your way to fluency in arithmetic.

What are the basic rules of integer division?

The rules are simple: When you divide two integers with the same sign, the result is positive. If the signs differ, the result is negative.

Why is dividing by zero not allowed?

Dividing by zero results in undefined mathematics because no number can be multiplied by zero to get another number other than zero, breaking the fundamental arithmetic rules.

How can understanding integer division help in real life?

Understanding integer division helps in scenarios like financial calculations, data analysis, and interpreting changes in values over time or in context.

What if the division doesn’t result in an integer?

If division results in a non-integer, the problem often requires a different approach, like converting to decimals or fractions, which we haven’t covered here.

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