Arrays

Front

What is an array?

Back

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

Front

How many rows are in this array?

Back

An array can have multiple rows, which are horizontal lines of items.

Front

How many columns are in this array?

Back

An array can have multiple columns, which are vertical lines of items.

Front

What does repeated addition mean?

Back

Repeated addition is adding the same number several times, like 3 + 3 + 3.

Front

What is the equation for this array: 4 rows of 3?

Back

4 + 4 + 4 = 12.

Front

What is the equation for this array: 5 rows of 5?

Back

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

Front

What is a sum?

Back

A sum is the result of adding two or more numbers together.

Front

What does equal addends mean?

Back

Equal addends are numbers that are the same and are added together.

Front

Can an array be made of shapes?

Back

Yes, an array can be made of shapes, like circles or squares, arranged in rows and columns.

Front

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

Back

The total is 12 items (3 x 4 = 12).