Adding Integers with Models

Front

What is the sum of -5 and 3?

Back

-5 + 3 = -2

Front

What is a zero pair?

Back

A zero pair is a combination of -1 and +1.

Front

What expression is represented by the model showing -7 and 10?

Back

-7 + 10

Front

What addition equation matches the model with 2 yellow and 4 red?

Back

2 + -4 = -2

Front

What expression matches the model showing 4 and -5?

Back

4 + (-5)

Front

What is the sum of 5 and -3?

Back

5 + (-3) = 2

Front

What does a positive integer represent in a model?

Back

A positive integer represents an increase or addition.

Front

What does a negative integer represent in a model?

Back

A negative integer represents a decrease or subtraction.

Front

How do you represent the sum of -4 and 5 in a model?

Back

The model shows 4 positive and 5 negative units.

Front

What is the result of adding two negative integers, -2 and -4?

Back

-2 + -4 = -6