Integer addition with counters

Front

What is an integer?

Back

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

Front

What does a yellow counter represent in integer addition?

Back

A yellow counter represents a positive integer.

Front

What does a red counter represent in integer addition?

Back

A red counter represents a negative integer.

Front

What is a zero pair in integer addition?

Back

A zero pair consists of one positive counter and one negative counter, which together sum to zero.

Front

How do you add a positive integer and a negative integer?

Back

To add a positive integer and a negative integer, subtract the smaller absolute value from the larger absolute value and keep the sign of the integer with the larger absolute value.

Front

What is the result of 4 + (-3)?

Back

The result is 1.

Front

What is the result of -4 + 3?

Back

The result is -1.

Front

How many zero pairs are in 4 yellow counters and 2 red counters?

Back

There are 2 zero pairs.

Front

What is the sum of -5 and 4?

Back

The sum is -1.

Front

What is the sum of -2 and -2?

Back

The sum is -4.