7th Grade Target B Practice

Front

What is the result of the expression -11 - (-2)?

Back

-11 + 2 = -9.

Front

What is the expression that represents the sum or difference between -7 and 7?

Back

8 + (-11) = -3.

Front

Define the term 'expression' in mathematics.

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

How do you add two negative numbers?

Back

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

Front

What is the result of adding 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, and if the negative number is larger, the result is negative.

Front

What is the difference between a sum and a difference in mathematics?

Back

A sum is the result of addition, while a difference is the result of subtraction.

Front

What does the term 'like terms' mean?

Back

Like terms are terms that have the same variable raised to the same power.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.