Did you know that counting and all numbers are based on tens and that everything starts over when you hit a number with a "0" in the ones column? This lesson provides strategies and pattterns for counting to fifty and includes two...

Follow the steps in the examples for place value to the thousands place and then practice the skills with the two interactive activities.

Practice finding missing numbers in a list of numbers between 0 and 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

A hands-on lesson plan for grades K-3 on estimation using goldfish crackers. Lesson used in conjunction with an oceans unit.

[Free Registration/Login Required] In this lesson students will understand place value by moving chips into the correct place. They will change numbers by 1000, 100, 10 or 1 by adding or taking away chips.

This hands-on, inquiry based lesson is an extension of the AMSTI Science Module, Solids and Liquids. Students use nonstandard units to measure beans in a soup mix. Students predict how many beans will be in a scoop. Students group beans...

Shark Numbers is a mobile-friendly place value game. The learning objective of this game is to know what each digit in a 3-digit number represents, (for ages 5-8).