Multiplication with Arrays

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What does an array represent in multiplication?

Back

An array is a visual representation of multiplication. It shows objects arranged in rows and columns, helping to understand how many total objects there are.

Front

What is the equation for an array with 3 rows and 5 columns?

Back

3 x 5 = 15.

Front

How can you find the total number of items in an array?

Back

To find the total, multiply the number of rows by the number of columns.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in multiplication does not change the product. For example, 3 x 4 = 4 x 3.

Front

What is the equation for an array with 4 rows and 3 columns?

Back

4 x 3 = 12.

Front

If you have an array of 2 rows and 4 columns, what is the multiplication fact?

Back

2 x 4 = 8.

Front

What is the difference between rows and columns in an array?

Back

Rows are horizontal lines of objects, while columns are vertical lines of objects.

Front

What multiplication fact can be represented by an array of 3 rows and 6 columns?

Back

3 x 6 = 18.

Front

How do you write a multiplication equation for an array?

Back

Count the number of rows and columns, then write the equation as rows x columns.