10.18.2023 Adding Integers Using Models

Front

What is the result of adding a positive integer to a negative integer?

Back

The result can be either positive, negative, or zero, depending on the values of the integers.

Front

How can you represent the addition of integers using models?

Back

You can use two-color counters, where one color represents positive integers and another color represents negative integers.

Front

What is the equation that represents the addition of 2 and -4?

Back

2 + (-4) = -2.

Front

If Bob lost 5 points and then lost 9 points, what equation represents his total loss?

Back

-5 + (-9) = -14.

Front

What is the equation that models the addition of 15 and -25?

Back

15 + (-25) = -10.

Front

What integer must be added to -7 to yield a positive integer?

Back

8.

Front

What does a negative result in an addition problem indicate?

Back

It indicates that the total value is less than zero.

Front

How do you determine the total when adding two integers of different signs?

Back

Subtract the absolute values and take the sign of the integer with the larger absolute value.

Front

What is the sum of -3 and 7?

Back

4.

Front

What is the sum of -10 and -5?

Back

-15.