Arrays

Front

What is an array?

Back

An array is a way to organize objects 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

Draw an array with 2 columns and 2 rows. How many tiles do you have altogether?

Back

4

Front

What is repeated addition?

Back

Repeated addition is adding the same number several times.

Front

Write a repeated addition sentence for 3 rows of 4 items each.

Back

4 + 4 + 4 = 12

Front

If you have 5 rows of 2 items, how can you write it as repeated addition?

Back

2 + 2 + 2 + 2 + 2 = 10

Front

What is the total number of items in an array with 3 rows and 4 columns?

Back

12

Front

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

Back

25

Front

What does the equation 4 + 4 + 4 + 4 = 16 represent?

Back

It represents 4 rows of 4 items each.

Front

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

Back

6