Arrays

Front

What is an array?

Back

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

Front

How do you represent an array with addition?

Back

You can represent an array with addition by adding the number of objects in each row.

Front

What does the multiplication sentence 3 x 4 mean?

Back

It means there are 3 rows with 4 objects in each row, totaling 12 objects.

Front

What is the relationship between addition and multiplication in arrays?

Back

Multiplication is repeated addition. For example, 4 + 4 + 4 = 3 x 4.

Front

If an array has 5 rows and 2 columns, how many total objects are there?

Back

There are 10 objects (5 x 2 = 10).

Front

What is the multiplication sentence for an array with 4 rows and 3 columns?

Back

The multiplication sentence is 4 x 3 = 12.

Front

How can you find the total number of objects in an array?

Back

Multiply the number of rows by the number of columns.

Front

What does the equation 2 + 2 + 2 + 2 represent in terms of arrays?

Back

It represents an array with 2 objects in each of the 4 rows.

Front

If you have an array of 6 rows and 4 columns, what is the total?

Back

The total is 24 (6 x 4 = 24).

Front

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

Back

Rows run horizontally, while columns run vertically.