I wouldn't say that making and counting tally marks is the best way to solve a multiplication problems, but this PowerPoint may prove me wrong. Kids solve double-digit multiplication problems using a simplistic grid and tally marks. They...

Students play a counting game in this PowerPoint. They work as a class to identify the numbers 1-54 sequentially from a number jumble. After two minutes the slide transitions into a grid so students can see how finding data is easier...