Mastering Integer Addition and Subtraction

This video tutorial explains the concepts of adding and subtracting integers using counters. It covers the properties of integers, demonstrates addition and subtraction with positive and negative numbers, and provides examples to clarify complex operations. The tutorial emphasizes the idea that negative signs indicate opposites, which is crucial for understanding integer operations. The use of counters helps visualize these concepts, making it easier to grasp the addition and subtraction processes.

What are integers?

• Only positive whole numbers

• Only negative whole numbers

• Numbers with fractions

• Whole numbers including both positive and negative

What does a negative sign indicate?

• Addition

• Multiplication

• Opposite

• Division

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CCSS.6.NS.C.6A

In the context of counters, what does the yellow side represent?

• Minus two

• Plus one

• Minus one

• Zero

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CCSS.7.NS.A.1C

How many yellow counters are there in the example of 5 + 3?

• 8

• 5

• None

• 3

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CCSS.1.OA.A.1

What is the result of 5 + (-3) using counters?

• 2

• 8

• 5

• 0

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CCSS.7.NS.A.1C

What is the result of -5 + 3 using counters?

• 0

• -2

• 2

• -8

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CCSS.7.NS.A.1C

What happens when you add -5 and -3 using counters?

• You get 2

• You get -2

• You get 8

• You get -8

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CCSS.7.NS.A.1C

What is the result of 5 - (-3) using counters?

• 2

• 8

• 0

• 5

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CCSS.7.NS.A.1C

What is the result of -5 - (-3) using counters?

• 0

• 2

• -2

• -8

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CCSS.7.NS.A.1C

What is the main idea to remember when dealing with negative signs?

• They mean addition

• They mean subtraction

• They mean opposite

• They mean multiplication

Tags

CCSS.7.NS.A.1B