Here we will show you how to calculate 664 times 42 using the box method. We will first give you step-by-step instructions, and then we will put all of these steps together with our box method illustration.
Step 1)
We start by separating 664 and 42 by place value. Then we enter the place values from 664 into the top row of the box, and the place values from 42 into the left column of the box.
Step 2)
Now we multiply every number in the grid by another. In other words, we multiply each number in the top row by each number in the left column, and we write the products in the boxes where they meet.
Step 3)
Then we add up all the products we found in step 2, and enter the sums into the right column of the box.
Step 4)
Finally, we add up all the sums we found in step 3 to get our final answer to 664 times 42.
Below is an illustration showing you how to calculate 664 times 42 using the box method, using the instructions above.
That's all there is to it! As you can see from the box above, the answer to 664 times 42 using the box method is 27,888.
Box Method Multiplication Calculator
Use the tool below to calculate another multiplication problem using the box method.