No Calculator Practice for Flashcard Unit 5

Front

What is the result of -5.7 + 0.9?

Back

-4.8

Front

What is the value of 18 - 23.2?

Back

-5.2

Front

Evaluate: -19 - 10

Back

-29

Front

What is 4/9 + (-2/3)?

Back

-2/9

Front

Rewrite the problem as addition: -5.66 - (-4.1)

Back

-5.66 + 4.1

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative.

Front

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

Back

The result depends on the absolute values; if the positive number is larger, the result is positive.

Front

What is the rule for subtracting negative numbers?

Back

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

Front

How do you convert a subtraction problem into an addition problem?

Back

Change the subtraction to addition by changing the sign of the number being subtracted.

Front

What is the result of adding a number and its opposite?

Back

The result is always zero.