Arrays

Front

What is an array?

Back

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

Tags

CCSS.3.OA.A.1

Front

How do you find the total number of items in an array?

Back

You can find the total by multiplying the number of rows by the number of columns.

Tags

CCSS.3.OA.A.1

Front

What does 'rows' mean in an array?

Back

Rows are the horizontal lines of items in an array.

Tags

CCSS.2.OA.C.4

Front

What does 'columns' mean in an array?

Back

Columns are the vertical lines of items in an array.

Tags

CCSS.3.OA.A.1

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, which is the same as multiplication.

Tags

CCSS.3.OA.A.1

Front

If an array has 3 rows and 4 columns, what is the total number of items?

Back

3 x 4 = 12 items.

Tags

CCSS.3.OA.A.1

Front

Which equation represents an array with 5 rows and 3 columns?

Back

5 x 3 = 15.

Tags

CCSS.3.OA.A.1

Front

What is the repeated addition for an array with 4 rows of 3?

Back

3 + 3 + 3 + 3 = 12.

Tags

CCSS.2.OA.C.4

Front

How can you tell how many rows are in an array?

Back

Count the horizontal lines of items.

Tags

CCSS.2.OA.C.4

Front

How can you tell how many columns are in an array?

Back

Count the vertical lines of items.

Tags

CCSS.2.OA.C.4