Chapter 5 Review Big Ideas Math 6th Grade

Front

What is the difference between 'the difference of a number x and 12' and 'the difference of 12 and a number x'?

Back

No, they do not have the same meaning.

Front

Identify the terms in the expression 5x + 3y + 7.

Back

The terms are 5x, 3y, and 7.

Front

If your team needs to raise $130 for travel fees, x dollars for each team member’s entry fee, and $85.50 for food, how much do you need to raise if the entry fee is $25.50 per person?

Back

$368.50

Front

Simplify the expression 4x + 9y - 5 + 9 + 4.

Back

The simplified expression is 4x + 9y + 8.

Front

If the expression p − 15 represents the amount you pay after using a coupon on an original amount p, what does the expression 30 + 6n represent?

Back

It represents the amount of money you save after n weeks.

Front

Can you buy a jacket that costs $78 after saving money for 6 weeks if you save according to the expression 30 + 6n?

Back

YES, you can buy the jacket.

Front

What does the term 'algebraic expression' mean?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent a number that can change.

Front

What is the value of x in the equation 2x + 3 = 11?

Back

x = 4.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form.