Subtracting Integers and Their Properties

The video tutorial introduces the concept of subtracting integers using the 'same change change' method. This method involves keeping the first number the same, changing the subtraction sign to addition, and changing the sign of the second number to its opposite. The tutorial provides examples to illustrate the method, such as negative 8 minus 3, 9 minus 17, and 14 minus 9. It emphasizes the importance of order in subtraction and how to handle different and same signs. The video concludes with practice problems to reinforce the learning.

What is the first step in the 'same change change' method for subtracting integers?

• Change the first number to its opposite

• Change the subtraction sign to addition

• Change the second number to zero

• Add both numbers directly

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

In the 'same change change' method, what happens to the second number?

• It remains the same

• It is doubled

• Its sign is changed to the opposite

• It is divided by two

Tags

CCSS.7.NS.A.1B

When subtracting integers, why is the order important?

• Because it changes the division

• Because it affects the multiplication

• Because subtraction is not commutative

• Because subtraction is commutative

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CCSS.7.NS.A.1C

What is the result of subtracting 9 from 17 using the 'same change change' method?

• 8

• -26

• -8

• 26

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

How do you determine the sign of the result when the signs of the numbers are different?

• Use the sign of the smaller number

• Always use a negative sign

• Use the sign of the larger number

• Always use a positive sign

Tags

CCSS.7.NS.A.1C

What is the result of subtracting a positive number from a larger positive number?

• The same positive number

• A positive number

• A negative number

• Zero

Tags

CCSS.7.NS.A.1C

What is the result of subtracting 12 from -12?

• 12

• -24

• 0

• 24

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CCSS.2.OA.A.1

What is the result of 9 minus 8 using the 'same change change' method?

• 17

• -17

• -1

• 1

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CCSS.7.NS.A.1C

What is the result of subtracting a number from itself?

• A positive number

• A negative number

• Zero

• The number itself

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CCSS.1.OA.B.3

What is the result of 9 plus 8 using the 'same change change' method?

• -17

• -1

• 17

• 1

Tags

CCSS.1.OA.B.3