Arrays and Partial Products

Front

What is an array in mathematics?

Back

An array is a way to organize objects or numbers in rows and columns, making it easier to visualize multiplication.

Front

What does the term 'partial product' mean?

Back

A partial product is the result of multiplying a single digit of one number by the entire other number, often used in long multiplication.

Front

How do you solve 218 x 4 using an array?

Back

You can break it down into (200 x 4) + (10 x 4) + (8 x 4) = 800 + 40 + 32 = 872.

Front

What is the equation for 2 rows of 3 objects?

Back

2 x 3 = 6.

Front

What is the equation for 3 rows of 123 objects?

Back

3 x 123 = 369.

Front

How do you calculate 342 x 3 using partial products?

Back

(300 x 3) + (40 x 3) + (2 x 3) = 900 + 120 + 6 = 1026.

Front

What is the result of 3 x 100?

Back

300.

Front

What is the result of 3 x 326?

Back

978.

Front

What is the result of 2 x 2?

Back

4.

Front

What is the result of 6 x 2?

Back

12.