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?

Back

Multiply the number of rows by the number of columns.

Front

What does the multiplication sign (X) mean?

Back

It means 'groups of'.

Front

What is the multiplication sentence for an array with 4 rows and 6 columns?

Back

4 X 6 = 24.

Front

If there are 3 rows of apples with 3 apples in each row, how many apples are there in total?

Back

3 X 3 = 9 apples.

Front

What is the multiplication sentence for an array with 4 rows and 5 columns?

Back

4 X 5 = 20.

Front

If Andrew uses 2 oranges for each glass of juice and makes 6 glasses, how many oranges does he use?

Back

2 X 6 = 12 oranges.

Front

What does it mean to multiply?

Back

To find the total when you have groups of the same size.

Front

What is the result of 5 X 4?

Back

20.

Front

If you have 2 groups of 6, what is the multiplication sentence?

Back

2 X 6 = 12.