Understanding Subtraction with Negative Numbers

The video tutorial explains how to solve subtraction problems involving negative numbers using a number line. It covers three examples: finding the missing number in negative 3 minus blank equals negative 4, solving negative 1 equals negative 7 minus what, and determining the starting number in blank minus negative 5 equals 13. The tutorial emphasizes using a number line to visualize the subtraction process and understand the concept of subtracting negative numbers as adding their inverse.

What is the missing number in the equation: -3 minus ___ equals -4?

• 2

• 0

• -1

• 1

How many steps to the left do you need to move from -3 to reach -4 on a number line?

• 1 step

• 2 steps

• 3 steps

• 4 steps

In the equation -1 equals -7 minus ___, what is the missing number?

• 6

• -6

• 5

• -5

How many units to the right do you move from -7 to reach -1 on a number line?

• 7 units

• 8 units

• 6 units

• 5 units

What is the equivalent of subtracting a negative number?

• Multiplying by a negative number

• Adding zero

• Subtracting a positive number

• Adding a positive number

In the equation ___ minus -5 equals 13, what is the missing number?

• 7

• 10

• 9

• 8

How many units to the right do you move from 8 to reach 13 on a number line?

• 6 units

• 4 units

• 7 units

• 5 units

What is the result of adding 13 and -5?

• 8

• 7

• 9

• 10

If 3 minus 2 equals 1, what is an equivalent addition statement?

• 3 equals 1 plus 2

• 3 equals 2 plus 1

• 1 equals 3 plus 2

• 2 equals 3 plus 1

What is the conceptual understanding of subtracting a negative number?

• It is the same as adding a positive number

• It is the same as subtracting a positive number

• It is the same as adding zero

• It is the same as multiplying by a negative number