Arrays

Front

What is an array?

Back

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

Front

How do you represent repeated addition with multiplication?

Back

Repeated addition can be represented by multiplication. For example, 4 + 4 + 4 = 3 x 4.

Front

What does the multiplication sentence 5 x 4 mean?

Back

It means you have 5 groups of 4.

Front

If an array has 4 rows and 5 columns, what multiplication sentence does it represent?

Back

4 x 5 = 20.

Front

What is the result of 6 x 6?

Back

36.

Front

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

Back

Multiply the number of rows by the number of columns.

Front

What is the multiplication sentence for 3 rows of 4?

Back

3 x 4 = 12.

Front

What does the expression 4 x 3 equal?

Back

12.

Front

If you have 5 groups of 6, what is the total?

Back

30.

Front

What is the difference between addition and multiplication in arrays?

Back

Addition combines numbers, while multiplication groups them.