Arrays/Repeated Addition

Front

What is an array?

Back

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

Front

What does repeated addition mean?

Back

Repeated addition means adding the same number several times, like 3 + 3 + 3.

Front

How do you find the total in an array using repeated addition?

Back

Count how many rows and how many items are in each row, then add them together.

Front

What direction do rows go in an array?

Back

Rows go across.

Front

What direction do columns go in an array?

Back

Columns go up and down.

Front

If an array has 4 rows and 3 columns, what is the repeated addition sentence?

Back

3 + 3 + 3 + 3 = 12.

Front

How many total items are in an array with 5 rows and 2 columns?

Back

There are 10 items (2 + 2 + 2 + 2 + 2 = 10).

Front

What is the repeated addition for an array with 3 rows of 4?

Back

4 + 4 + 4 = 12.

Front

If you have 6 apples in each row and 2 rows, how can you write this in repeated addition?

Back

6 + 6 = 12.

Front

What is the total number of items in an array with 3 rows and 5 columns?

Back

15 items (5 + 5 + 5 = 15).