Mastering Integer Addition and Subtraction

The video tutorial introduces a musical method to teach subtraction and addition. It begins with a problem setup where students express confusion. The teacher then introduces a 'bop' to explain the concepts, focusing on rules for handling same and different signs in subtraction and addition. Through examples, the teacher illustrates these rules, emphasizing the 'Keep Change Change' method. The video concludes with encouragement to use this method for better understanding.

What was the initial reaction of the students towards the topic?

• They were excited.

• They were confused.

• They were confident.

• They were bored.

Tags

CCSS.7.NS.A.1C

What method is introduced for solving subtraction problems?

• Switch and Solve

• Multiply and Divide

• Add and Subtract

• Keep Change Change

Tags

CCSS.7.NS.A.1C

What should you do when the signs of the numbers are the same?

• Subtract the numbers and change the sign.

• Subtract the numbers and keep the sign.

• Add the numbers and keep the sign.

• Add the numbers and change the sign.

Tags

CCSS.7.NS.A.1C

What is the result of -9 + (-5)?

• -4

• 4

• 14

• -14

Tags

CCSS.7.NS.A.1C

When the signs of the numbers are different, what should you do?

• Add the numbers and change the sign.

• Subtract the numbers and keep the sign of the larger number.

• Subtract the numbers and change the sign.

• Add the numbers and keep the sign of the smaller number.

Tags

CCSS.7.NS.A.1C

What is the result of 18 + (-11)?

• -29

• 29

• -7

• 7

Tags

CCSS.7.NS.A.1C

What is the first step in the 'keep change change' method?

• Change the second number.

• Change the subtraction to addition.

• Keep the first number the same.

• Change the first number.

Tags

CCSS.7.NS.A.1C

What should you do after changing the subtraction to addition in the 'keep change change' method?

• Change the sign of the second number.

• Keep the first number the same.

• Change the second number.

• Change the first number.

Tags

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.3

CCSS.RI.9-10.3

CCSS.RI.9-10.5

What is the importance of checking your work?

• To ensure accuracy in calculations.

• To make the process longer.

• To change the method.

• To confuse yourself.

What is the main message in the conclusion?

• To ignore the method.

• To use the method in classrooms.

• To complicate the process.

• To avoid checking your work.