Arrays 3rd grade

Front

What is an array?

Back

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

Tags

CCSS.3.OA.A.1

Front

How many columns does a 4 x 3 array have?

Back

3 columns.

Tags

CCSS.3.OA.A.1

Front

What does the first number in an array (like 4 x 3) represent?

Back

The number of rows.

Tags

CCSS.3.OA.A.1

Front

What does the second number in an array (like 4 x 3) represent?

Back

The number of columns.

Tags

CCSS.3.OA.A.1

Front

How many total items are in a 4 x 3 array?

Back

12 items (4 rows x 3 columns).

Tags

CCSS.3.OA.A.1

Front

If I have 2 rows and 5 columns, what is the size of the array?

Back

2 x 5.

Tags

CCSS.3.OA.A.1

Front

How can I make an array of 3 x 2?

Back

3 rows and 2 columns.

Tags

CCSS.3.OA.A.1

Front

What is the size of an array with 5 rows and 1 column?

Back

5 x 1.

Front

If an array has 6 columns, how many items are in 2 rows?

Back

12 items (2 rows x 6 columns).

Tags

CCSS.2.OA.C.4

Front

What is a 1 x 4 array?

Back

An array with 1 row and 4 columns.

Tags

CCSS.3.OA.A.1