3rd Grade-Arrays

Front

What is an array in mathematics?

Back

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

Front

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

Back

The number of rows in an array is the first number in the array's dimensions (e.g., in a 4 x 3 array, there are 4 rows).

Front

How do you determine the number of columns in an array?

Back

The number of columns in an array is the second number in the array's dimensions (e.g., in a 4 x 3 array, there are 3 columns).

Front

What is the product of the dimensions of an array?

Back

The product of the dimensions of an array gives the total number of elements in the array (e.g., 4 x 3 = 12).

Front

What is the term for the result of an addition problem?

Back

The result of an addition problem is called the sum.

Front

What is the difference between rows and columns in an array?

Back

Rows run horizontally, while columns run vertically.

Front

How can you represent an array visually?

Back

An array can be represented visually using a grid format, with rows and columns.

Front

What does the equation 3 x 4 represent in terms of an array?

Back

The equation 3 x 4 represents an array with 3 rows and 4 columns, totaling 12 elements.

Front

What is the relationship between multiplication and arrays?

Back

Multiplication can be used to find the total number of elements in an array by multiplying the number of rows by the number of columns.

Front

How can you find the total number of elements in a 5 x 2 array?

Back

Multiply the number of rows (5) by the number of columns (2): 5 x 2 = 10.