Adding Integers Using Counters

Front

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

Back

The result can be found by subtracting the absolute value of the negative integer from the positive integer.

Front

What does the equation -2 + -4 represent?

Back

It represents the addition of two negative integers, resulting in a more negative integer.

Front

How do you model the expression -4 + 5 using counters?

Back

Use 4 red counters (for -4) and 5 yellow counters (for +5). The result is 1 yellow counter left.

Front

Back

Front

What is a zero pair?

Back

A zero pair consists of one negative counter and one positive counter, which cancel each other out.

Front

Which number represents a loss of 7 yards?

Back

The number is -7.

Front

How do you represent the addition of two positive integers using counters?

Back

Use yellow counters to represent each positive integer and combine them to find the total.

Front

What happens when you add two negative integers?

Back

The result is a negative integer that is more negative than either of the original integers.

Front

Back

Front

How can you visualize the expression -3 + 4 using counters?

Back

Use 3 red counters for -3 and 4 yellow counters for +4. The result is 1 yellow counter left.