3rd Grade-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 find the total number of items in an array?

Back

Multiply the number of rows by the number of columns.

Front

What does the term 'rows' mean in an array?

Back

Rows are the horizontal lines of items in an array.

Front

What does the term 'columns' mean in an array?

Back

Columns are the vertical lines of items in an array.

Front

If an array has 2 rows and 3 columns, how many total items are there?

Back

There are 6 items (2 x 3 = 6).

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, like 6 + 6 + 6 + 6 + 6.

Front

How can repeated addition be represented as multiplication?

Back

Repeated addition can be represented as multiplication by counting how many times the number is added.

Front

What is the sum in an addition problem?

Back

The sum is the answer to an addition problem.

Front

What is the difference in a subtraction problem?

Back

The difference is the answer to a subtraction problem.

Front

What is the product in a multiplication problem?

Back

The product is the answer to a multiplication problem.