Understanding Addition and Subtraction of Positive and Negative Numbers

The video tutorial explains how to add and subtract positive and negative numbers using a number line. It provides multiple examples to illustrate the process, encouraging viewers to pause and solve problems independently before reviewing the solutions together. The examples cover various scenarios, such as solving for unknowns in equations involving both positive and negative numbers.

What is the main goal of the video tutorial?

• To memorize mathematical formulas

• To explore advanced calculus concepts

• To understand the addition and subtraction of positive and negative numbers

• To learn multiplication and division of numbers

Tags

CCSS.7.NS.A.1B

In the equation -1 = 7 - blank, what number should fill the blank?

• 8

• 7

• 6

• 5

Tags

CCSS.7.NS.A.1C

What is the result of subtracting 8 from 7?

• -1

• 1

• 0

• -8

Tags

CCSS.7.NS.A.1B

In the equation -10 + blank = -5, what number should fill the blank?

• 5

• 10

• -10

• -5

Tags

CCSS.7.NS.A.1B

What direction do you move on the number line when adding a positive number?

• Up

• Down

• Right

• Left

Tags

CCSS.7.NS.A.1B

In the equation 4 = -2 + blank, what number should fill the blank?

• 6

• 4

• 2

• 8

Tags

CCSS.7.NS.A.1B

How many steps to the right do you move from -2 to reach 4?

• 6

• 5

• 4

• 7

Tags

CCSS.7.NS.A.1B

In the equation 6 + blank = -8, what number should fill the blank?

• 14

• -14

• -8

• 8

Tags

CCSS.7.NS.A.1B

How many steps to the left do you move from 6 to reach -8?

• 12

• 14

• 10

• 16

Tags

CCSS.7.NS.A.1C

What operation is equivalent to adding a negative number?

• Adding a positive number

• Subtracting a positive number

• Multiplying by zero

• Dividing by one

Tags

CCSS.7.NS.A.1C