Multiplication & Division Arrays

Front

What is an array in multiplication?

Back

An array in multiplication is a visual representation of a multiplication problem, typically arranged in rows and columns, showing how many groups of a certain number are being multiplied.

Front

How do you write a multiplication sentence for an array?

Back

To write a multiplication sentence for an array, count the number of rows and the number of columns, then multiply these two numbers together. For example, if there are 2 rows and 3 columns, the sentence is 2 x 3.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. If you know that 3 x 4 = 12, you can also say that 12 ÷ 4 = 3.

Front

How can you represent a division problem using an array?

Back

A division problem can be represented using an array by showing how many groups of a certain size can be formed from a total. For example, if you have 24 items and want to divide them into groups of 6, you can create an array with 4 rows of 6.

Front

What is the formula for finding the total number of items in an array?

Back

The total number of items in an array can be found using the formula: Total = Number of Rows x Number of Columns.

Front

How do you determine the number of tables needed for a party if you know the total number of guests and how many can sit at each table?

Back

To determine the number of tables needed, divide the total number of guests by the number of guests that can sit at each table. For example, if there are 20 guests and 4 per table, you would calculate 20 ÷ 4.

Front

What does the multiplication sentence 3 x 12 = 36 represent in an array?

Back

The multiplication sentence 3 x 12 = 36 represents an array with 3 rows and 12 columns, totaling 36 items.

Front

How can you visualize the division problem 24 ÷ 6 using an array?

Back

You can visualize 24 ÷ 6 using an array by creating 4 rows of 6, which shows that 24 items can be evenly divided into 4 groups of 6.

Front

What is the significance of the numbers in a multiplication sentence?

Back

In a multiplication sentence, the first number represents the number of groups (rows), and the second number represents the number of items in each group (columns).

Front

What is a practical application of division in everyday life?

Back

A practical application of division in everyday life is when sharing items equally among a group, such as dividing a pizza among friends.