Mastering Integer Operations: Addition, Subtraction, Multiplication, and Division

Xena, the Nerdy Math Girl, introduces her first math tutorial on integer operations. She covers the four basic operations: addition, subtraction, multiplication, and division, focusing on the rules for handling integers with different signs. The video includes examples and explanations of how to add, subtract, multiply, and divide integers, emphasizing the importance of sign rules. Xena concludes by inviting viewers to subscribe, provide feedback, and download a free practice worksheet.

What happens when you add two integers with the same sign?

• Subtract the numbers and keep the sign.

• Add the numbers and change the sign.

• Add the numbers and keep the sign.

• Subtract the numbers and change the sign.

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CCSS.7.NS.A.1C

How do you determine the sign of the result when adding two integers with different signs?

• The sign of the number with the lower absolute value.

• The sign of the number with the higher absolute value.

• Always negative.

• Always positive.

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CCSS.7.NS.A.1C

When adding two integers with different signs, what operation do you perform?

• Multiplication of their absolute values.

• Subtraction of their absolute values.

• Addition of their absolute values.

• Division of their absolute values.

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When subtracting integers, what is the first step according to the video?

• Convert the subtraction into addition.

• Multiply the numbers.

• Subtract the numbers directly.

• Determine the sign of the result first.

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CCSS.7.NS.A.1C

What is the result of subtracting a negative number from another number?

• No change to the original number.

• A negative result.

• A positive result.

• Equivalent to adding a positive number.

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CCSS.7.NS.A.1C

In subtraction, converting a subtraction problem into an addition problem involves what?

• Subtracting the first number from the second.

• Changing the sign of the second number to its opposite.

• Doubling the first number.

• Ignoring the signs of both numbers.

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What rule applies to the multiplication of two integers with different signs?

• The result is always positive.

• The result is the difference between the two numbers.

• The result is the sum of the two numbers.

• The result is always negative.

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CCSS.5.NBT.B.7

How is multiplication notation typically represented in higher level math courses?

• Using a cross symbol.

• Using a dot or parentheses.

• Using a division symbol.

• Using an addition symbol.

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CCSS.7.NS.A.2A

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What is the result of multiplying two negative integers?

• A negative result.

• A positive result.

• Zero.

• The absolute value of the two numbers.

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What does a fraction bar signify in mathematical operations?

• Division.

• Subtraction.

• Addition.

• Multiplication.

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