Many of my kids use number lines, hands (to show counting on), or ten frames to solve story problems. I noticed they were really struggling with the task of drawing these items on their work space. Here's my solution:
I keep a supply of "math tools" on our supply shelf.
These little cut outs have been a huge time saver! For me, their thinking is more important than perfectly drawing a number line - especially for my kids struggling with their motor skills. The kids are really loving using the tools on their papers when solving story problems! If you think this will work for your class and want a copy of my hands/ten frames/number lines, let me know and I can link them here or e-mail :)