Subtracting Integers with Keep Change Change

The video tutorial introduces the Keep Change Change (KCC) method for simplifying subtraction by converting it into addition. It begins with a catchy song to engage learners and explains the three-step KCC process: keep the first number, change the minus to a plus, and change the last number to its opposite. The tutorial provides examples to demonstrate the method and offers practice problems for viewers to solve. The video aims to make subtraction easier and more intuitive, encouraging learners to practice and master the KCC technique.

What is the first step in the Keep Change Change method?

• Keep the first number the same

• Change the minus sign to a plus

• Add the numbers

• Change the last number to its opposite

Tags

CCSS.7.NS.A.1C

What do you do with the minus sign in the Keep Change Change method?

• Keep it the same

• Change it to a plus sign

• Ignore it

• Multiply it

Tags

CCSS.7.NS.A.1C

How does Keep Change Change help with subtraction problems?

• It ignores negative numbers

• It simplifies them into addition problems

• It turns them into multiplication problems

• It divides the problem into smaller parts

Tags

CCSS.7.NS.A.1C

In the example, what is the result of negative 3 minus 8 using Keep Change Change?

• Positive 11

• Negative 11

• Positive 5

• Negative 5

Tags

CCSS.7.NS.A.1C

What is the final step in solving a problem using Keep Change Change?

• Keep the first number the same

• Change the last number to its opposite

• Add the integers

• Change the minus sign to a plus

Tags

CCSS.7.NS.A.1C

What is the result of applying Keep Change Change to the problem negative 3 minus 8?

• -11

• 11

• -5

• 5

Tags

CCSS.7.NS.A.1C

What is the result of 5 minus 11 using Keep Change Change?

• Positive 16

• Negative 16

• Negative 6

• Positive 6

Tags

CCSS.7.NS.A.1C

What is the opposite of a negative number in Keep Change Change?

• Zero

• A larger negative number

• The same number

• A positive number

Tags

CCSS.6.NS.C.6A

What is the result of 4 minus a negative 2 using Keep Change Change?

• 2

• -6

• 6

• -2

Tags

CCSS.7.NS.A.1C

What should you do if you get a practice problem wrong?

• Ask for the correct answer

• Review the steps and find the mistake

• Guess until it's correct

• Skip it and move on

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B