2nd 9 Weeks Exam/Unit 4 Post Test

Front

What is the best deal?

Back

The best deal is the option that provides the most value for the least cost. In this case, Chip Ahoy is the best deal.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4 to 3.

Front

How do you calculate the value of an expression with parentheses?

Back

You first solve the expression inside the parentheses, then follow the order of operations (PEMDAS/BODMAS) to complete the calculation.

Front

Calculate the value of: 7 × (2 + 3) - 5

Back

The value is 32.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

If a car travels 420 miles in 8 hours, how do you find the distance it will travel in 12 hours?

Back

Set up a proportion based on the rate of travel: 420 miles/8 hours = x miles/12 hours.

Front

What is the result of 3 + 6 × (5 + 4) ÷ 3 - 7?

Back

The result is 11.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.