Day 31: Arrays & Repeated Addition

Front

What is an array?

Back

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

Front

What does repeated addition mean?

Back

Repeated addition is adding the same number multiple times, like 2 + 2 + 2.

Front

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

Back

5 + 5 + 5 + 5 + 5 = 25.

Front

What is the repeated addition for 3 rows of 2?

Back

2 + 2 + 2 = 6.

Front

What is the repeated addition for 4 rows of 3?

Back

3 + 3 + 3 + 3 = 12.

Front

How do you find the total in an array?

Back

You can find the total by adding the number in each row or column.

Front

What is the difference between rows and columns?

Back

Rows go across, and columns go up and down.

Front

What is the equation for 4 rows of 3?

Back

4 x 3 = 12.

Front

If you have 3 columns of 2, what is the repeated addition?

Back

2 + 2 + 2 = 6.

Front

What does the multiplication sign (x) represent?

Back

The multiplication sign represents repeated addition.