I use this project when I start my multiplication unit to teach repeated addition, groups of, commutative property, and arrays. You could also replace one with a multiplication word problem and picture.
These word problem practice sheets will help your students to use a variety of methods of solving a word problem. Your students will get plenty of practice on solving problems with unknown numbers (result unknown, change unknown, start unknown). OA.A.1 word problems using 2 whole numbers- Commo Core first grade math practice sheets