Multiplication with Arrays

Front

What is multiplication?

Back

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

Tags

CCSS.3.OA.A.1

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. For example, 3 rows of 4 objects each represent 3 x 4.

Tags

CCSS.4.NBT.B.5

Front

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

Back

The equation is 3 x 4 = 12.

Tags

CCSS.3.OA.A.1

Front

How do 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.

Tags

CCSS.3.OA.A.1

Front

What is a row in an array?

Back

A row is a horizontal line of items in an array.

Tags

CCSS.3.OA.A.1

Front

What is a column in an array?

Back

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

Tags

CCSS.3.OA.A.1

Front

If there are 5 rows and 4 columns, what is the multiplication equation?

Back

The equation is 5 x 4 = 20.

Tags

CCSS.3.OA.A.1

Front

What does the term 'factors' mean in multiplication?

Back

Factors are the numbers you multiply together. In 3 x 4, 3 and 4 are the factors.

Tags

CCSS.4.OA.B.4

Front

What is the product in multiplication?

Back

The product is the result of multiplying two numbers. For example, in 3 x 4, the product is 12.

Tags

CCSS.3.OA.A.1

Front

How can you check your multiplication?

Back

You can check multiplication by adding the rows or columns together.

Tags

CCSS.4.NBT.B.6