Play this hidden number game with your preschooler or kindergartener that will give them a leg up in learning numbers.

Boost your preschooler's math and verbal skills by having her participate in simple, fun activities that teach her how to sort, count, and categorize objects.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Try a 100th Day of School Scavenger Hunt with your preschooler, and send her on the search for objects of different colors!

Introduce the idea of measuring weight to your preschooler or kindergartener by making a fun and easy-to-use bungee scale to weigh household objects.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Create clear sound shakers so your preschooler can observe and compare the different sounds that objects make!

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Teach your preschooler color recognition using this handy egg carton sorter. She will group objects by color and learn to recognize their names with this tool.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Want to help your kid with math? Get out the grab bag! This game is a great way to practice the tricky business of associating numbers with sets of objects.

Lots of everyday objects can be fun, whether it's buttons, beans, or Lego blocks. Here's an activity that uses coins to build problem-solving strategies.

Strengthen your child's number recognition skills with this fun game using an old, empty egg carton!

This science fair project idea deals with the qualities of shade on a sunny day.

Use familiar household items and decorations to turn estimation into a fun game!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Help your kindergartener review shapes - and build early reading skills - with this creative book project.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

Check out this interactive number line. It's a great way to strengthen your preschoolers understanding of basic numbers and the numerals that represent them.

Counting with one-to-one correspondence is an important kindergarten math skill. This simple activity turns it into a play-anywhere game.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

Your preschooler or kindergartener will count their way to Valentine's Day while designing an imaginative and artistic set of counting cards!