+/– Decimals

Front

What is the result when you add two positive decimals?

Back

The result is a positive decimal.

Front

What is the result when you add two negative decimals?

Back

The result is a negative decimal.

Front

What is the result when you add a positive decimal and a negative decimal?

Back

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

Front

What operation do you use when combining decimals with the same signs?

Back

You ADD (+) the decimals.

Front

What operation do you use when combining decimals with different signs?

Back

You SUBTRACT (–) the decimals.

Front

How do you determine the sign of the final answer when adding decimals with different signs?

Back

The sign of the final answer is determined by the larger absolute value.

Front

What does it mean to stack decimals correctly?

Back

Stacking decimals correctly means aligning the decimal points vertically.

Front

What is the first step in adding or subtracting decimals?

Back

Align the decimal points.

Front

If you have 3.5 + 2.7, what is the sum?

Back

The sum is 6.2.

Front

If you have -4.5 + -2.3, what is the sum?

Back

The sum is -6.8.