Exploring Addition with Different Signs in Integers

The video tutorial explains how to add integers with different signs using a number line and counters. It demonstrates the process of moving left or right on a number line based on the sign of the integers and introduces the concept of zero pairs using colored counters. The tutorial also provides a summary of rules for adding integers with the same or different signs, emphasizing the importance of understanding the order and absolute values of numbers.

When adding -5 and 7 on a number line, where do you start?

• At 5

• At 0

• At -5

• At 7

What is the result of adding -5 and 7 on a number line?

• 12

• 2

• -2

• 0

What color represents a positive counter in the visualization method?

• Blue

• Green

• White

• Red

How many positive counters are used to represent 7 in the visualization method?

• 2

• 7

• 10

• 5

What is the result of adding 5 and -7 on a number line?

• 12

• -12

• -2

• 2

When reversing the order of integers, what is the result of adding 5 and -7?

• 2

• -2

• -12

• 12

What is the result of pairing a positive and a negative counter?

• 1

• -1

• 2

• 0

How do you represent a negative counter when drawing the model?

• Square

• Triangle

• Open circle

• Colored circle

What should you do if the signs of the integers are different?

• Subtract and keep the sign of the larger number

• Add and keep the sign

• Multiply the numbers

• Divide the numbers

What is the rule for adding integers with the same sign?

• Subtract and keep the sign

• Add and keep the sign

• Multiply the numbers

• Divide the numbers