Arrays and Repeated Addition

Front

What is an array in math?

Back

An array is a way to organize objects in rows and columns to show multiplication.

Front

How do you write a multiplication equation for an array?

Back

You multiply the number of rows by the number of columns.

Front

What does 3 x 4 mean?

Back

It means there are 3 rows with 4 objects in each row, totaling 12 objects.

Front

If you have 6 groups of 2, how can you write it as a multiplication equation?

Back

You can write it as 6 x 2.

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, like 2 + 2 + 2 = 6, which is the same as 3 x 2.

Front

What is the multiplication equation for this array: 3 rows and 3 columns?

Back

The equation is 3 x 3 = 9.

Front

If an array has 4 rows and 2 columns, what is the total number of objects?

Back

The total is 4 x 2 = 8.

Front

What does the equation 4 x 3 = 12 represent?

Back

It represents an array with 4 rows and 3 columns, totaling 12 objects.

Front

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

Back

Multiply the number of rows by the number of columns.

Front

What is the difference between multiplication and addition?

Back

Multiplication is adding groups of the same size, while addition is simply combining numbers.