Arrays and Multiplication

Front

What is an array?

Back

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

Front

How do you write a multiplication sentence for an array?

Back

You multiply the number of rows by the number of items in each row.

Front

What does 3 x 6 mean?

Back

It means there are 3 rows with 6 items in each row, totaling 18 items.

Front

What is the multiplication sentence for 4 rows of 9 items each?

Back

4 x 9 = 36.

Front

If there are 5 rows of 4 items, how many items are there in total?

Back

5 x 4 = 20.

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, like 4 + 4 + 4 = 12, which is the same as 3 x 4.

Front

How can you represent 6 x 4 using an array?

Back

You can create an array with 6 rows and 4 columns.

Front

What is the total number of items in an array with 7 rows and 8 columns?

Back

7 x 8 = 56.

Front

What does the multiplication sentence 4 x 5 = 20 represent?

Back

It represents an array with 4 rows and 5 items in each row.

Front

How do you find the total in an array?

Back

Multiply the number of rows by the number of items in each row.