Unit 4 Test 1 Review (Keep Practicing)

Front

What is the result of the operation 7 - (-3)?

Back

10

Front

What is the sum of -7 and -15?

Back

-22

Front

What does the equation -7 + 2 = -5 represent?

Back

It shows that adding a positive number (2) to a negative number (-7) results in a negative number (-5).

Front

Rewrite the expression -21 - (-49) as an equivalent expression involving addition.

Back

-21 + 49

Front

What is the result of the division 6 ÷ 3?

Back

2

Front

Define subtraction of a negative number.

Back

Subtracting a negative number is equivalent to adding its positive counterpart.

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative.

Front

Explain how to represent the expression -7 + 2 using a number line.

Back

Start at -7, move 2 units to the right to reach -5.

Front

What is the difference between a positive and a negative number?

Back

A positive number is greater than zero, while a negative number is less than zero.

Front

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

Back

Change the subtraction of a negative number into addition by flipping the sign.