Students investigate shapes and sizes by creating a riddle.  In this geometry lesson, students read one of two books and investigate facts about an object's size.  Students write a riddle using the facts they have read and cut...

Let's study 2-D shapes! Young mathematicians compare and classify shapes according to attributes. They evaluate shape riddles and predict the shape being described. Here is the website where you can find the...

Third graders discover a connection between numbers of things in groups and groups. They solve number line puzzles for multiplications and identify data for 3 riddles in a multiplication context. They use number lines as sources for...

Students explore circumference and diameter. In this math lesson, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of various...

Students construct tangram patters. In this geometry instructional activity, students read the book Grandfather Tang's Story and visit various websites to practice covering figures with tangrams. Students attempt to construct animal...

Fifth graders explore three-dimensional figures. As a class, they discuss the characteristics of various three-dimensional figures. In groups, 5th graders write riddles describing the geometric shape. Partners read each other's...

Students participate in a series of hand-on, online, and multimedia activities to examine 2 dimensional and 3 dimensional shapes. They describe common geometric solids. They construct rectangular prisms using straws and ribbon.

Students identify lines of symmetry.  In this symmetry lesson, students create objects and identify their lines of symmetry.  They answer questions about lines of symmetry.  Students cut shapes out of cookie dough and...

Young scholars identify geometric solids. In this geometric shapes lesson plan, students listen to the teacher read Captain Invincible and the Space Shapes  by Stuart J. Murphy. Young scholars then visit a web site where they...