What's more romantic than a bar graph on Valentine's Day? In this Valentine's Day lesson plan, students will use information from a data set to create their own tally charts and bar graphs and then analyze these graphs to answer questions.

Your little detectives will love stretching their observation muscles in this lesson on sleuthing and finding clues. After paying close attention to their classmates, they'll make lists of clues and use them in a fun-filled guessing game.

Use this hands-on lesson to encourage collaboration amongst students as they review base-ten numerals, number names, and expanded form. This lesson can be used as a pre-lesson to Base Ten Block Party or as a stand-alone activity.

Give your students a great basis in mathematics with this lesson that has them use a number line to find differences for basic subtraction facts.