Understanding Subtraction as Addition

The video tutorial explains how to convert a subtraction problem into an addition problem by addressing the dislike for subtraction. It highlights the concept of double negatives, showing that subtracting a negative number is equivalent to adding a positive number. The tutorial walks through solving the problem of negative two minus negative five, resulting in a positive three, and encourages continued practice.

Why do we rewrite subtraction problems as addition problems?

• Because subtraction is harder to understand.

• Because it simplifies the calculation.

• Because addition is more fun.

• Because subtraction is not allowed in math.

Tags

CCSS.7.NS.A.1C

What is the first step in converting a subtraction problem to an addition problem?

• Add the numbers directly.

• Change the subtraction sign to an addition sign.

• Ignore the negative sign.

• Multiply the numbers.

Tags

CCSS.7.NS.A.1C

What happens when you subtract a negative number?

• It becomes a double negative.

• It becomes zero.

• It remains a negative number.

• It becomes a positive number.

Tags

CCSS.7.NS.A.1C

What is the result of -2 plus 5?

• 7

• -3

• 3

• 0

Tags

CCSS.7.NS.A.1C

What is the final result of the problem discussed in the video?

• -2

• 5

• 0

• 3

Tags

CCSS.7.NS.A.1C