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 using repeated addition?

Back

You add the number of items in each row together.

Front

If there are 4 rows with 4 items in each row, how can you write this as repeated addition?

Back

4 + 4 + 4 + 4 = 16.

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times.

Front

If I have 3 baskets with 2 eggs in each, how can I find the total number of eggs?

Back

You can use repeated addition: 2 + 2 + 2 = 6 eggs.

Front

How can you represent the number of items in an array with multiplication?

Back

You can multiply the number of rows by the number of items in each row.

Front

If there are 5 rows with 3 items in each row, how can you write this as multiplication?

Back

5 x 3 = 15.

Front

What does it mean to divide items into groups?

Back

It means to separate items into equal parts.

Front

If I have 9 bouncy balls and divide them into 3 groups, how many are in each group?

Back

3 bouncy balls in each group.

Front

What is the relationship between arrays and multiplication?

Back

Arrays can be used to visualize multiplication.