Arrays

Front

What is an array?

Back

An array is a systematic arrangement of objects, usually in rows and columns.

Tags

CCSS.3.OA.A.1

Front

What direction do rows go in an array?

Back

Rows go across.

Tags

CCSS.2.OA.C.4

Front

What direction do columns go in an array?

Back

Columns go up and down.

Tags

CCSS.3.OA.A.1

Front

How can an array be represented as the sum of equal addends?

Back

An array can be represented as the sum of equal addends by multiplying the number of rows by the number of columns.

Tags

CCSS.2.OA.C.4

Front

What is the equation for an array with 5 rows and 5 columns?

Back

5 + 5 + 5 + 5 + 5 = 25.

Tags

CCSS.2.OA.C.4

Front

If an array has 4 rows and 2 columns, what is the total number of elements?

Back

The total number of elements is 4 x 2 = 8.

Front

What is the formula to calculate the total number of elements in an array?

Back

Total elements = Number of rows x Number of columns.

Tags

CCSS.2.OA.C.3

Front

Can an array have different numbers of elements in each row?

Back

No, in a standard array, each row must have the same number of elements.

Tags

CCSS.2.OA.C.4

Front

What is a one-dimensional array?

Back

A one-dimensional array is a linear arrangement of elements, like a list.

Tags

CCSS.HSN.VM.C.6

Front

What is a two-dimensional array?

Back

A two-dimensional array is a grid-like arrangement of elements, consisting of rows and columns.