6-th Grade Expressions Review

Front

What is an expression in algebra?

Back

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

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variables involved.

Front

How do you simplify the expression 8j + 1 - 4j + 6?

Back

Combine like terms: 8j - 4j + 1 + 6 = 4j + 7.

Front

What is the distributive property in algebra?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a factor across a sum.

Front

How can you express 8^3 using multiplication?

Back

8^3 can be expressed as 8 x 8 x 8.

Front

What is the equation that represents a linear relationship?

Back

A linear relationship can be represented by an equation in the form y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the variable 'x' typically represent in equations?

Back

In equations, 'x' often represents an unknown value that we are trying to solve for.

Front

How do you apply the distributive property to the expression 7(d + 2)?

Back

Using the distributive property: 7(d + 2) = 7d + 14.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression.

Front

What is the purpose of simplifying an expression?

Back

Simplifying an expression makes it easier to work with and understand, often reducing it to its most basic form.