Hey math whizzes, here is a challenge for you! These math puzzles are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

Does your child love puzzles? Introduce him to tangrams! Use all 7 tangram shapes to re-create the picture on this page.

Get into geometry the fun way, with a challenging tangram puzzle! Your child will use all seven shapes to re-create this picture.

Get ready for a tangram challenge! Build math and reasoning skills by using all tangram shapes to re-create the picture on this page.

Get into geometry the fun way, with a challenging tangram puzzle! Your child will use all seven tangram shapes to re-create this picture.

Little math stars, get ready for a tangram challenge! Students will use all seven tangram shapes to re-create the picture on this page.

For kids who love puzzles, try tangrams! Use all 7 shapes to re-create this picture, and build logic and reasoning skills as you go.

Help your student learn geometry the fun way, with a challenging tangram puzzle! Use all seven tangram shapes to try and re-create this picture.

What shapes make up a rectangle and a hexagon? With your child, cut out smaller pieces and paste them together to make a bigger shape.

For kids who love puzzles, try tangrams! Use all 7 shapes to re-create the picture on this page. Tangrams will help build logic and reasoning skills.

Believe it or not, pine trees and ginko trees have different shaped leaves. See the shapes for yourself and match each leaf to its correct tree.

For kids who love puzzles love tangrams! Use all 7 tangram shapes to re-create the picture on the page. This activity helps build logic and reasoning skills.

This tangram tree is a festive way to put your child's math and reasoning skills to the test. Make a tangram tree with your child this Christmas season.

Shape up those problem solving skills with a fun block puzzle activity, comparable to tangram puzzles!

Build shape recognition and logical reasoning with this series of block puzzles! Similar to tangrams, kids will use blocks to fill in each puzzle.

Take the block puzzle challenge! This series of tangram-style geometry puzzles is a great way to build logic skills in your kindergartener.

Put your child's cartographic skills to the test by having him assemble this puzzle that features the 50 U.S. states.