6th Grade 5.1 & 5.2 Review

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression. For example, in the expression 2x, the coefficient is 2.

Front

What does the expression 'f - 2' represent?

Back

The expression 'f - 2' represents '2 less than Frank'.

Front

How do you express 'a number divided by 3' mathematically?

Back

The expression for 'a number divided by 3' is x ÷ 3.

Front

How many terms are in the expression '2x + 10 + 9y + 15z'?

Back

There are 4 terms in the expression: 2x, 10, 9y, and 15z.

Front

How do you write the cost of 4 sodas and a $3 popcorn?

Back

The cost can be expressed as 4s + 3.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign and represents a value, while an equation states that two expressions are equal.

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. For example, 2x and 3x are like terms.