Arrays and 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 is adding the same number multiple times, like 3 + 3 + 3.

Front

How can you write 4 rows of 4 using repeated addition?

Back

4 + 4 + 4 + 4 = 16.

Front

What is the total of 5 + 5 + 5 + 5 + 5?

Back

25.

Front

If you have 3 rows of 4, how many are there in total?

Back

12.

Front

What is a row in an array?

Back

A row is a horizontal line of objects or numbers.

Front

What is a column in an array?

Back

A column is a vertical line of objects or numbers.

Front

If you take away 1 row from 4 rows of 4, how many are left?

Back

12.

Front

What is the repeated addition for 5 groups of 2?

Back

2 + 2 + 2 + 2 + 2 = 10.

Front

How do you find the total in an array?

Back

Multiply the number of rows by the number of columns.