Subtracting Integers: A Mountain Adventure

The video tutorial introduces the concept of subtracting integers by adding the additive inverse. It provides practical examples, such as calculating gear weight and fishing line length, to demonstrate the application of integer subtraction. The video also covers how to calculate temperature changes using integers and concludes with a complex integer subtraction problem, offering practice problems for viewers.

If you have a backpack that can carry 50 pounds and you have already packed 30 pounds, how much more can you pack?

• 30 pounds

• 40 pounds

• 10 pounds

• 20 pounds

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CCSS.1.OA.B.3

What is the result of 50 minus 30 when using the additive inverse method?

• 30

• 10

• 20

• 80

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CCSS.7.NS.A.1C

If a fish is 5 feet below water and the rod is 6 feet above water, how much fishing line should you let out?

• 1 foot

• 11 feet

• 6 feet

• 5 feet

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CCSS.7.NS.A.1C

What happens when you subtract a negative integer?

• You add the numbers

• You divide the numbers

• You multiply the numbers

• You subtract the numbers

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CCSS.7.NS.A.3

If the current temperature is 4 degrees and it will fall by 8 degrees, what will the new temperature be?

• -8 degrees

• 4 degrees

• -4 degrees

• 8 degrees

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CCSS.7.NS.A.1B

How do you calculate 4 minus 8 using the additive inverse method?

• 4 - 8

• 4 + 8

• 4 + (-8)

• 4 - (-8)

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CCSS.7.NS.A.1C

In the complex problem, what is the first step to solve -4 - 6?

• Add -6

• Subtract 6

• Subtract -6

• Add 6

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CCSS.7.NS.A.1C

What is the result of -4 + (-6)?

• -2

• -10

• 10

• 2

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CCSS.7.NS.A.1C

In the three-step problem, what is the final result of -10 + 2?

• -8

• 12

• 8

• -12

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CCSS.7.EE.B.3

What should you do after combining like signs in a complex problem?

• Divide the numbers

• Multiply the numbers

• Recalculate the inverse

• Solve the final addition or subtraction

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CCSS.7.EE.B.3