Arrays

Front

What is an array in mathematics?

Back

An array is a systematic arrangement of objects, usually in rows and columns, used to represent multiplication and division.

Tags

CCSS.3.OA.A.1

Front

How do you write a multiplication sentence for an array with 4 rows and 4 columns?

Back

4 x 4 = 16

Tags

CCSS.3.OA.A.1

Front

What is the area of an array with 6 rows and 6 columns?

Back

36 square tiles.

Tags

CCSS.3.MD.C.5A

Front

What does the term 'columns' refer to in an array?

Back

Columns are the vertical arrangements of elements in an array, going from top to bottom.

Tags

CCSS.3.OA.A.1

Front

What does the term 'rows' refer to in an array?

Back

Rows are the horizontal arrangements of elements in an array, going from left to right.

Tags

CCSS.2.OA.C.4

Front

If an array has 3 rows and 4 columns, what is the multiplication sentence that represents it?

Back

3 x 4 = 12

Tags

CCSS.3.OA.A.1

Front

How can you determine the total number of items in an array?

Back

Multiply the number of rows by the number of columns.

Tags

CCSS.3.OA.A.1

Front

What is the relationship between arrays and multiplication?

Back

Arrays visually represent multiplication by showing how many groups of a certain size are present.

Tags

CCSS.4.NBT.B.5

Front

What is the area of an array with 3 rows and 5 columns?

Back

15 square tiles.

Tags

CCSS.3.OA.A.1

Front

How do you find the number of columns in an array if you know the total area and the number of rows?

Back

Divide the total area by the number of rows.

Tags

CCSS.3.OA.A.2