Arrays/Repeated Addition

Front

What is an array in math?

Back

An array is a way to organize objects in rows and columns. For example, 3 rows of 4 apples each can be shown as an array.

Front

What does repeated addition mean?

Back

Repeated addition is adding the same number several times. For example, 4 + 4 + 4 means adding 4 three times.

Front

How can you represent 3 groups of 5 using repeated addition?

Back

3 + 3 + 3 + 3 + 3 = 15, which is the same as 5 + 5 + 5.

Front

If I have 4 rows of 2 apples, how can I write that in repeated addition?

Back

2 + 2 + 2 + 2 = 8.

Front

What is the total if I have 5 groups of 3?

Back

3 + 3 + 3 + 3 + 3 = 15.

Front

How do you find the total number of items in an array?

Back

Multiply the number of rows by the number of items in each row.

Front

What is the repeated addition for 6 rows of 2?

Back

2 + 2 + 2 + 2 + 2 + 2 = 12.

Front

If there are 4 shelves with 5 books each, how can I express this in repeated addition?

Back

5 + 5 + 5 + 5 = 20.

Front

What is the repeated addition for 3 groups of 4?

Back

4 + 4 + 4 = 12.

Front

How can you show 2 rows of 6 using repeated addition?

Back

6 + 6 = 12.