Practicing subtraction using a thermometer for a number line makes math fun! In this lesson, your students will get more comfortable with subtracting two digit numbers.

Let your students show off what they've learned about time, money, and temperature with this lesson that combines all three in one word story.

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

Students participate in a classroom scavenger hunt with a partner to measure common classroom objects using a ruler.