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 numbers or quantities.

Tags

CCSS.3.OA.A.1

Front

What is a row in an array?

Back

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

Tags

CCSS.3.OA.A.1

Front

How do you calculate the total number of elements in a rectangular array?

Back

Multiply the number of rows by the number of columns.

Tags

CCSS.2.OA.C.3

Front

What is repeated addition?

Back

Repeated addition is the process of adding the same number multiple times, which is equivalent to multiplication.

Tags

CCSS.3.OA.A.1

Front

How can you represent the total of an array using addition?

Back

You can represent the total by adding the number of elements in each row or column.

Tags

CCSS.2.OA.C.4

Front

What is the relationship between arrays and multiplication?

Back

Arrays can be used to visualize multiplication, where the number of rows and columns represents the factors.

Tags

CCSS.3.OA.A.1

Front

What does the equation 4+4+4+4=16 represent in terms of an array?

Back

It represents a rectangular array with 4 rows and 4 columns, totaling 16 elements.

Tags

CCSS.2.OA.C.4

Front

What does the equation 5+5+5+5+5=25 represent in terms of an array?

Back

It represents a rectangular array with 5 rows and 5 columns, totaling 25 elements.

Tags

CCSS.2.OA.C.4

Front

How do you identify the number of rows in an array?

Back

Count the horizontal lines of elements.

Tags

CCSS.2.OA.C.4