Multiplication and Arrays

Front

What is multiplication?

Back

Multiplication is a way to add the same number many times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What is an array?

Back

An array is a way to organize objects in rows and columns. For example, 3 rows of 4 apples can be shown as an array.

Front

What do we call the numbers we multiply together?

Back

The numbers we multiply are called factors.

Front

What is the result of a multiplication called?

Back

The result of a multiplication is called the product.

Front

How many columns are in an array with 4 rows and 3 columns?

Back

There are 3 columns in an array with 4 rows and 3 columns.

Front

If there are 2 rows of 5, what is the multiplication sentence?

Back

The multiplication sentence is 2 x 5 = 10.

Front

What does it mean if an array has 4 rows of 3?

Back

It means there are 4 groups of 3, which can be written as 4 x 3 = 12.

Front

What is the multiplication fact for 1 x 6?

Back

1 x 6 means there is 1 group of 6, which equals 6.

Front

If an array has 3 rows of 4, how many total items are there?

Back

There are 12 items in total because 3 x 4 = 12.

Front

What is a column in an array?

Back

A column is a vertical line of objects in an array.