Adding Integers: Techniques and Strategies

This video tutorial teaches how to add integers using models like counters and number lines. It begins with an introduction to zero pairs, explaining how positive and negative numbers cancel each other out. The tutorial then demonstrates basic addition using counters, followed by examples of adding both positive and negative integers. The video also covers how to represent these operations on a number line, emphasizing the importance of direction and distance. The lesson concludes with a recap of the methods used for adding integers.

How do we represent positive one using counter chips?

• Blue chip

• Yellow chip

• Red chip

• Green chip

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CCSS.2.OA.A.1

What does a zero pair consist of?

• Two positive counters

• One positive and one negative counter

• Two counters of the same color

• Two negative counters

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CCSS.7.NS.A.1B

What is the result of adding three positive counters to three negative counters?

• Three

• Zero

• Six

• Negative three

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CCSS.7.NS.A.1C

On a number line, moving to the right indicates what?

• Negative direction

• No movement

• Zero

• Positive direction

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CCSS.6.NS.C.6C

In the problem negative three plus five, what is the final result?

• Negative eight

• Negative two

• Eight

• Two

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CCSS.7.NS.A.1C

What does a negative number indicate when using a number line model?

• Move upwards

• Stay in place

• Move to the left

• Move to the right

Tags

CCSS.7.NS.A.1B

How do we eliminate zero pairs in counter chip models?

• By separating them

• By adding more chips

• By removing one of each opposite pair

• By changing their colors

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CCSS.7.NS.A.1B

When adding four yellow chips to two red chips, what is the outcome?

• Zero

• Two red chips

• Six yellow chips

• Two yellow chips

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CCSS.1.OA.A.1

What is the result of adding negative two and negative three using counter chips?

• Five

• One

• Negative five

• Negative one

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CCSS.7.NS.A.1C

What does the final position on a number line represent in an addition problem?

• The starting point

• The midpoint

• The answer

• The direction

Tags

CCSS.7.NS.A.1B