Exploring Adding Integers with Different Signs

The video tutorial explains how to visualize and model integers with opposite signs using number lines and counters. It covers key definitions such as integers, absolute value, additive inverse, and zero pairs. The tutorial provides examples of additive inverses and demonstrates how to add integers with the same and opposite signs using number lines. Additionally, it shows how to use counters to model these operations, helping students understand the concepts of zero pairs and additive inverses.

What is the absolute value of a number?

• The number itself

• The distance a number is from zero on the number line

• The negative of the number

• The sum of the number and zero

Which of the following is an example of additive inverses?

• 0 and 0

• 7 and 2

• 3 and -3

• 5 and 5

What is the result of adding 4 and 2?

• 8

• 2

• 6

• 4

If you add -6 and -3, what is the result?

• -3

• 9

• 3

• -9

What is the sum of 8 and -2?

• 10

• 6

• 0

• -6

When adding 7 and -11, where do you land on the number line?

• -4

• 4

• 18

• -18

What is the result of adding -9 and 6?

• 15

• -15

• -3

• 3

How many positive counters are left when modeling 8 + (-2) with counters?

• 4

• 6

• 2

• 8

What is the sum of 7 and -11 when modeled with counters?

• 18

• -18

• -4

• 4

How many negative counters are left when modeling -9 + 6 with counters?

• 12

• 9

• 6

• 3