Download these free worksheets to sharpen your number sense skills. Sheets focus on roman numerals, scientific notation, counting, expanded form, exponents, factoring, roots, and rounding.

This lesson is about counting by fives from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.

This lesson is about counting by threes from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.

This lesson is about counting by fours from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.

This lesson is about counting by twos from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.

Use this interactive site for interesting and engaging practice with counting.

At this lesson you can learn, practice, play a game and explore counting even numbers by 2. There are lots of resources to use to learn about even and odd numbers at this website.

[Free Registration/Login Required] A collection of teacher created activities that focus on basic addition practice. Includes frog counters that can be printed and laminated, a dot-to-dot activity, and ready-to-use math worksheets that...

Join Maddie and Steve at the beach and help them count forwards and backwards within 10.

Students estimate and count to make equal groups using snacks and other food.

Practice counting down from ten with this interactive game.

Practice counting up to 20 with this interactive game.

Use this lesson to learn about adding two and skip counting to understanding the concepts of counting even numbers by twos. Play the interactive game "Counting Up By Twos," and get your score instantly.

Practice counting 1 to 9 using shapes in this interactive game.

Use this poem, teacher's guide, and various small manipulatives to make a great lesson on counting. There is a section for students to give their responses on the website.

There is a lot to count around the Inca Temple! Help Pedro counting and discover odd and even numbers.

Can you help Adina count all the ice-creams in her ice-cream shop?

Join Sue in the Music Center and help her count the instruments.

Do you like ice-cream? Visit the ice-cream shop and help in counting to 1000.

Join Francis on a trip to Paris! Do you know the height of the Eiffel Tower? Learn about number patterns.

After reading two math-related books, students investigate their home and school environments to find examples of objects that come in sets and then create their own books on sets.

This compilation of math activities engages parents and children in the use of math whenever they are at home. Packed with concise, high interest activities, related illustrations, detailed "parent pointers," and easy to following...

Use this online game to practice counting symbols.

1, 2, 3,... Students will demonstrate their counting ability as they count sets of objects between 40-60.