Unit 6 Review (pages 57-59)

Front

What is the process to rewrite a division problem as a multiplication problem?

Back

Front

How do you calculate the total cost of multiple items?

Back

To calculate the total cost, multiply the quantity of each item by its price and then sum all the costs. For example, if peaches cost $2 each, mangoes $3 each, and watermelons $5 each, the total cost for 2 peaches, 5 mangoes, and 3 watermelons is calculated as follows: (2 * 2) + (5 * 3) + (3 * 5) = $19.45.

Front

What is the formula to find the number of servings from a given amount of an ingredient?

Back

Front

How do you calculate the total cost of items needed for a project?

Back

To calculate the total cost, multiply the quantity of each item by its price and sum the results. For example, for 30 turkeys at $18 each, 28 bags of potatoes at $2.55 each, and 62 cans of green beans at $1.25 each, the total cost is $418.90.

Front

What is the greatest common factor (GCF) of two numbers?

Back

The greatest common factor is the largest number that divides both numbers without leaving a remainder. For example, the GCF of 32 and 56 is 8.

Front

What is the reciprocal of a fraction?

Back

Front

How do you convert a mixed number to an improper fraction?

Back

Front

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

Back

The area of a rectangle is found by multiplying its length by its width. The formula is: Area = Length × Width.

Front

How do you round a number to the nearest cent?

Back

To round a number to the nearest cent, look at the digit in the thousandths place. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is often expressed as a quantity per one unit of another quantity. For example, if 60 miles are traveled in 2 hours, the unit rate is 30 miles per hour.