Exploring Integer Addition with Models

The video tutorial explains how to add integers using models, specifically number lines and chips. It begins with a basic introduction to integer addition, followed by detailed examples using number lines to visualize the process. The concept of additive inverse is introduced, showing how opposite integers cancel each other out. The tutorial then demonstrates using chips as a visual aid for integer addition, emphasizing the creation of zero pairs. The video concludes by summarizing the two methods and encouraging practice.

What does the '+' symbol signify in integer addition using a number line?

• Reset to zero

• No movement on the number line

• Subtraction of values

• The next number to add

Tags

CCSS.7.NS.A.1B

How do you represent adding a negative integer on a number line?

• Reset the line to zero

• Move in the positive direction

• Move in the negative direction

• Stay at the initial point

Tags

CCSS.7.NS.A.1B

What is the result of adding 5 and negative 5 using a number line?

• -5

• 5

• 0

• 10

Tags

CCSS.7.NS.A.1B

What does an additive inverse result in when using integer addition?

• A positive outcome

• A negative outcome

• No change in value

• The sum equals zero

Tags

CCSS.7.NS.A.1B

In the chips model, what does a pair of one positive and one negative chip represent?

• Zero pair

• A sum of two

• Additive inverse

• A sum of zero

Tags

CCSS.7.NS.A.1B

How is the sum of negative two and positive seven represented using chips?

• Five positives

• Five negatives

• Two zero pairs

• Seven positives

Tags

CCSS.7.NS.A.1C

What is the result of negative four plus negative two using chips?

• Negative six

• Zero

• Negative two

• Positive two

Tags

CCSS.7.NS.A.1C

What happens when you add negative three and positive three using chips?

• Results in six

• Results in zero

• Results in negative three

• Results in three

Tags

CCSS.7.NS.A.1B

What is demonstrated by the chips model in integer addition?

• Only negative integers are considered

• None of the integers can be added

• Both positive and negative integers can be added

• Only positive integers can be added

Tags

CCSS.7.NS.A.1C

What is the outcome when adding five positives and eight negatives using chips?

• Eight negatives

• Zero

• Three negatives

• Three positives

Tags

CCSS.7.NS.A.1C