Adding Integers with Models

Front

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

Back

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

Front

What does the expression -4 + 5 represent using 2-color counters?

Back

It represents 5 positive counters and 4 negative counters, resulting in 1 positive counter.

Front

What is the sum of opposites?

Back

The sum of opposites is always 0.

Front

If yellow counters represent positive integers, what does 5 + -2 equal?

Back

5 + -2 equals 3.

Front

What does the expression 6 + (-2) equal?

Back

6 + (-2) equals 4.

Front

How can you represent -6 + 6 using counters?

Back

You would have 6 negative counters and 6 positive counters, which cancel each other out to equal 0.

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What is the additive inverse of a number?

Back

The additive inverse of a number is the number that, when added to the original number, results in zero.

Front

What does the expression 4 + (-5) equal?

Back

4 + (-5) equals -1.

Front

How do you visualize adding integers with counters?

Back

You can use two-color counters where one color represents positive integers and the other color represents negative integers.