Understanding Opposite Numbers and Their Properties

The video tutorial introduces the concept of opposite numbers, explaining their placement on a number line. It provides examples using -3 and 3, demonstrating how to identify opposite numbers. The tutorial then covers solving addition problems involving opposite numbers, emphasizing the rule of subtracting the smaller number from the larger one and assigning the sign of the larger number to the result. Two example problems are solved to illustrate the process.

What are opposite numbers?

• Numbers with opposite signs

• Numbers with the same sign

• Numbers that are prime

• Numbers that are equal

Where are positive numbers located on a number line?

• Above zero

• To the right of zero

• Below zero

• To the left of zero

If 8 is on the right of zero, where is -8?

• Above zero

• On the left of zero

• On the right of zero

• At zero

If 6 is on the right of zero, where is -6?

• At zero

• On the left of zero

• Above zero

• On the right of zero

If -3 is three units from zero on the left, where is its opposite?

• Three units from zero on the left

• Three units from zero on the right

• Six units from zero on the right

• At zero

What is the opposite of -5 on a number line?

• 0

• 5

• 10

• -5

What is the opposite of 0?

• 1

• Undefined

• 0

• -1

What is the opposite of 9 on a number line?

• 18

• 9

• 0

• -9

What is the result of adding 7 and -3?

• 0

• -4

• 4

• 10

What is the result of adding 10 and -10?

• 0

• 20

• 10

• -20