Expressions 6.EE.A.1 and 6.EE.A.2

Front

What is an 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 evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with given numbers.

Front

What is a term in an expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by + or - signs.

Front

How many terms are in the expression 5x + 3y - 2?

Back

There are 3 terms: 5x, 3y, and -2.

Front

What is the first term in the expression 4a + 7b + 2?

Back

The first term is 4a.

Front

What is the value of the expression 2x + 3 when x = 4?

Back

The value is 2(4) + 3 = 8 + 3 = 11.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What are like terms?

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, meaning you can distribute a number across a sum.

Front

How do you apply the distributive property to 3(x + 4)?

Back

3(x + 4) = 3x + 12.