Adding & Subtracting Signed Decimals

Front

What is the result of −42.65 − (−16.3)?

Back

-26.35

Front

What is the result of 26.9 − (−3.1)?

Back

30

Front

What is the result of −325 + (−775)?

Back

-1100

Front

What is the result of -4.4 + 36?

Back

31.6

Front

What is the result of 9.387 - 12.5?

Back

-3.113

Front

Define signed decimals.

Back

Signed decimals are numbers that have a positive or negative sign, indicating their value relative to zero.

Front

What is the rule for subtracting a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

How do you add two negative decimals?

Back

When adding two negative decimals, you add their absolute values and keep the negative sign.

Front

What is the first step in adding signed decimals?

Back

Identify the signs of the decimals and determine if you will add or subtract their absolute values.

Front

What happens when you add a positive decimal to a negative decimal?

Back

You subtract the smaller absolute value from the larger absolute value and take the sign of the number with the larger absolute value.