7th 1st Benchmark Review 2024

Front

What is the distributive property in algebra?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Front

How do you simplify the expression 2x + 2x + 1?

Back

Combine like terms: 2x + 2x = 4x, so the expression simplifies to 4x + 1.

Front

What is the result of the expression 20/-2?

Back

The result is -10.

Front

What does the expression (115 x 0.20) + (115 x 1/5) represent?

Back

It represents the total number of students who voted for a movie day, calculated as 20% of 115 plus 1/5 of 115.

Front

How do you calculate the total number of cups used if a baker uses 15 cups of cereal and 10 cups of marshmallows?

Back

Add the two amounts: 15 cups + 10 cups = 25 cups total.

Front

What is the formula for finding the area of a rectangle?

Back

Area = length x width.

Front

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

Back

Subtract 3 from both sides: 2x = 8, then divide by 2: x = 4.

Front

What is a variable in algebra?

Back

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

Front

What does it mean to evaluate an expression?

Back

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

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression is a combination of numbers, variables, and operations without an equality sign.