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 repeated addition mean?

Back

Repeated addition is adding the same number multiple times, like 3 + 3 + 3 + 3.

Front

What is the product in multiplication?

Back

The product is the answer you get when you multiply two numbers.

Front

If an array has 3 rows and 4 columns, how many total items are there?

Back

12 items (3 x 4 = 12).

Front

What is the multiplication fact for an array with 5 rows and 2 columns?

Back

5 x 2 = 10.

Front

How many columns are in an array with 6 items in total and 3 rows?

Back

2 columns (6 ÷ 3 = 2).

Front

What is the difference between rows and columns?

Back

Rows go across (horizontally) and columns go up and down (vertically).

Front

What is a multiplication sentence?

Back

A multiplication sentence shows a multiplication problem, like 4 x 3 = 12.

Front

If you have 2 rows and 3 columns, how can you write this as a repeated addition?

Back

2 + 2 + 2 = 6.