Eureka Math Grade 3 Mid-Module 3 Review

Front

What is the equation to find the number of containers needed to fill a dunk tank if each container holds a specific volume?

Back

If the total volume needed is V and the volume of each container is C, the equation is: C x N = V, where N is the number of containers.

Front

How do you represent an unknown quantity in a multiplication problem?

Back

You can represent an unknown quantity using a letter, such as N, in an equation like A x N = B.

Front

What is the process to find the total number of items when given multiple groups of the same size?

Back

Multiply the number of groups by the number of items in each group: Total = Number of groups x Items per group.

Front

How can you break down a multiplication problem into smaller parts using arrays?

Back

You can represent the multiplication as an array and then split it into smaller arrays to simplify the calculation.

Front

What is the equation to find the cost per person when sharing a total cost among a group?

Back

If the total cost is T and the number of people is P, the equation is: P x N = T, where N is the cost per person.

Front

How do you calculate the total number of items when doubling a quantity?

Back

To double a quantity, multiply the original number by 2: Total = Original Quantity x 2.

Front

What is the relationship between multiplication and division in solving for an unknown?

Back

Multiplication and division are inverse operations; if A x N = B, then N = B ÷ A.

Front

How can you represent a problem involving multiple items won by different individuals?

Back

You can use an equation that adds the total items won by each individual, such as Total = (Number of individuals x Items per individual) + Items won by one individual.

Front

What is an array in mathematics, and how is it used in multiplication?

Back

An array is a visual representation of multiplication, arranged in rows and columns, where the total number of items is the product of the number of rows and columns.

Front

How do you solve for an unknown in a word problem?

Back

Identify the known quantities, represent the unknown with a variable, set up an equation based on the problem, and solve for the variable.