Arrays and Multiplication

Front

What is an array in mathematics?

Back

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

Tags

CCSS.3.OA.A.1

Front

What does the multiplication sentence 4 x 4 represent?

Back

It represents an array with 4 rows and 4 columns, totaling 16.

Tags

CCSS.3.OA.A.1

Front

How do you write a multiplication sentence for an array?

Back

Count the number of rows and columns, then multiply them.

Tags

CCSS.3.OA.A.1

Front

What is the multiplication sentence for 7 rows of 8 stamps?

Back

7 x 8 = 56.

Tags

CCSS.3.OA.A.1

Front

What does the multiplication sentence 5 x 5 represent?

Back

It represents an array with 5 rows and 5 columns, totaling 25.

Tags

CCSS.3.OA.A.1

Front

If there are 3 rows of 6 apples, what is the multiplication sentence?

Back

3 x 6 = 18.

Tags

CCSS.2.OA.C.3

Front

What is the product of 4 and 9?

Back

4 x 9 = 36.

Tags

CCSS.3.OA.C.7

Front

How can you check your multiplication?

Back

You can use addition to check by adding the same number multiple times.

Tags

CCSS.3.OA.A.3

Front

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

Back

Rows go horizontally, while columns go vertically.

Tags

CCSS.3.OA.A.1

Front

What is the multiplication sentence for 4 rows of 5?

Back

4 x 5 = 20.

Tags

CCSS.3.OA.A.1