You can use the standard method of multiplying by hand in order to make sure that you got the right answer using the Russian peasant method of multiplication. Using the previous example (146 x 37): Write "146," and then "37" below it so that the numbers line up flush on the right side. Draw a line below these numbers to create a work area. You will do your calculations below this line. Multiply 7 x 6 (= 42). Write "2" down in the work area and carry the "4." Multiply 7 x 4 (= 28). Add the carried "4" to this sum to get a new sum, 32 (4 + 28 = 32). Write down "2" in the work area to the left of "2" you wrote down in your work area, and carry the "3." Multiply 7 x 1 (= 7). Add the carried "3" to this sum to get a new sum, 10 (7 + 3 = 10). Write down "10" in your work area, to the left of the "22" that is already there. You should now have the number "1022" written down in your work area. Start working on a new row in your work area, directly below "1022." Write "0" on the right of this new row, directly below the rightmost "2" of "1022." Multiply 3 x 6 (= 18). Write "8" to the left of the "0," and carry the "1." Multiply 3 x 4 (= 12). Add the carried "1" to this sum to get a new sum, 13 (12 + 1 = 13). Write down "3" in your work area to the left of the "8," and carry the "1." Multiply 3 x 1 (= 3). Add the carried "1" to this sum to get a new sum, 4 (3 + 1 = 4). You should now have the number "4380" written in the second row of your work area. Add the two rows in your work area (1022 + 4380). You should get the sum 5402 (1022 + 4380 = 5402). This sum, which is the same number derived by the Russian peasant method, verifies that the method produced the correct answer. You can also use an electronic calculator in order to make sure that you got the right answer using the Russian peasant method of multiplication. Using the previous example (146 x 37): Enter 146 in the calculator by pressing the corresponding digits, 1, 4, 6. Press the multiplication ("x") key. Enter 37 in the calculator by pressing the corresponding digits, 3, 7. Press the equals ("=") key. The display should show "5402," which is the same number derived by the Russian peasant method, verifying that the method produced the correct answer. If you check your answer and it is not correct, start looking for where you might have made a mistake, and try multiplying the numbers again using the Russian peasant method. First, try checking your work again using the standard multiplication method or a calculator, just to be sure. Then, work through the problem again using the Russian peasant method. This time, double-check to make sure you are halving and doubling the numbers correctly. In addition, make sure you correctly add the numbers that remain in the right-hand column after you cross out the other numbers. Check all of your work twice to make sure that you get the correct answer. If you can't seem to get the right answer, or if you aren't sure how to check your work, ask some for help (such as a friend, sibling, parent, or teacher). Ask this person to try the problem out, too, and then you compare answers. The person might also be able to explain how to use the Russian peasant method. The Russian peasant method works because it converts the problem into binary (base 2) multiplication, rather than base 10 (which standard multiplication uses). It does this by halving and doubling the numbers you are trying to multiply (since halving and doubling convert all numbers into multiples of 2, or into factors of numbers that are divisible by 2). You might be asked to try the Russian peasant method of multiplication for a school assignment, or just try it out for fun. However, the method has advantages that might make it turn out to be a handy way to multiply in other situations. You don't need to know or memorize multiplication tables in order to multiply using the Russian peasant method (like you do in order to use standard long multiplication). As long as you can double and halve, you can multiply any two numbers using the Russian peasant method. You can use bits of material in order to multiply using the Russian peasant method. This can be useful when you need to multiply and you don't have a calculator or a pencil and paper handy. For example, you could multiply the example above (146 x 37) by using lots of beans or other material. Each time you need to halve or double a number in the process, just add or take away the respective number of beans. The Russian peasant method does normally take longer than standard long multiplication, however. In addition, the Russian peasant method of multiplication can become very unwieldy if you are trying to multiply large numbers, since this will involve many multiples of 2 or numbers that are factors of numbers divisible by 2, and potentially very large ones.

Summary: Multiply by hand to check your solution. Verify your solution with a calculator. Start over if you made a mistake. Ask someone for help if you are struggling. Understand why the method works. Know when the Russian peasant method of multiplication is useful.

The URL is the address of the web page you are on (https://www.wikihow.com, for example). This saves the page for you so that you can quickly find it later, and brings up a small box of options. You can also press Ctrl/Cmd and "D" keys simultaneously to bookmark a page. Click the trash can to discard the link. Click the bolded text to change the title. Click "Add to Folder" to bring up a list of all of your bookmark folders. The bookmark bar is a collection of links that are right underneath your search bar, allowing you to find them quickly when you need them. You can quickly add a link to the bookmark bar by clicking on the small icon directly to the left of "http" and dragging it to the bar underneath your URL. If you do not see any bookmark bar: Click on the three dark bars in the upper-right corner of Chrome. Click on "Bookmarks" Click on "Show bookmarks bar." Alternatively, press the Ctrl/Cmd, Shift, and "B" keys simultaneously to make the bookmarks bar appear. The key to organized bookmarks is through folders, as they eliminate clutter and help you find the correct bookmark quickly. To make a bookmark folder, right-click on the bookmarks bar and select "Add Folder..." This will bring you to a small window where you can name the folder and choose where it goes. Some ideas for folders include: Travel Work Blogs to Follow Kids Games Finances Special Projects This is a good idea if you have tons of folders. For example, you might have a folder labeled "Work." But to make this more effective, you might add smaller folders like "Research," "Projects," and "Finances" that allow you to organize your bookmarks more efficiently. To make a subfolder, click on "Add Folder..." and choose the folder you want to add your new folder under. To add a bookmark to a subfolder, find it in the "Add Bookmark" window or click and drag it to the right folder. Hover over the first folder until it opens up, then drop your bookmark in the right sub-folder. Apps for Chrome, known as "extensions," are added features that allow you to customize Chrome. To download them, go to the Chrome Web Store and search for "Bookmark Organizer" in the top left corner. Make sure you click the box labeled "Extensions" under your search. Some popular programs to organize bookmarks, delete duplicate links, and create folders are SuperSorter, Sprucemarks, and Chrome's own Bookmark Manager.
Summary: Click on the small star next to the URL to bookmark a page. Use the bookmark bar for sites you visit frequently. Use folders to group similar bookmarks together. Make subfolders to further organize your bookmarks. Download bookmark organizing extensions to automatically organize your bookmarks.