Here are multiplication worksheets good for 3rd, 4th, and any students that still need help practicing multiplication. They feature different strategies: lattice, partial products, and standard form. There are some word problems also. Any worksheet with an "l" in the title means it is for lower level students; "m" stands for middle level and "h" stands for higher level students. I hope they are helpful to you!
Also, please feel free to check out my entire 4th grade multiplication unit (on sale in my store), which features these worksheets and much, much, more!