The video models how to set up number lines for 3 addition equations with variables missing at the end, middle, and beginning of the equations and where the answer will be located.
♦ friendly numbers
♦ inverse operations
♦ Student Notes Page- Completed examples to add to notebook or binder.
♦ 3 worksheets. One for each of the addition equations modeled.
♦ Answer Key
The worksheets are set up in the same format as my freebie Adding Hundreds Extra Practice
Read about the video on my blog.
Interested in more Treasure Number Lines? Check out the Treasure Number Line series at Morsel Tidbits.