CK-12 Foundation
Ck 12: Elem Math: Subtracting Using Tens and Ones
[Free Registration/Login may be required to access all resource tools.] The video shows a model of how to group using tens and ones, subtract, and then count what is left using the grouping. The video is followed by a series of practice...
Khan Academy
Khan Academy: Count Tens
Practice counting by tens. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
ICT Games
Ict Games: Fairground Target Game: Counting by Tens
Count the duck targets by tens and click on the one in line that is the same as the number listed on the target at the bottom of the screen.
Khan Academy
Khan Academy: Add 2 Digit Numbers by Making Tens 2
Practice adding two-digit numbers by making tens on Khan Academy. If you are stuck, watch a refresher video or choose to get a hint. Test yourself to see how many you can get correct!
Rice University
Rice University: Let's Count!
Let's Count is a website that offers opportunities to count lots of different sets of things. You can also view the same website in Spanish.
CK-12 Foundation
Ck 12: Elem Math: Representing Numbers in Expanded Form Ii (Grade 4)
[Free Registration/Login may be required to access all resource tools.] This learning module features an interactive, a video, and a practice quiz in which students identify the ones, tens, or hundreds digit of a value by counting the...
Quia
Quia: Spanish Numbers by Ten
If you can count by tens in Spanish, then you'll enjoy this interactive number game. Put the Spanish numbers in the correct order to win the game, then check your answers.
ClassFlow
Class Flow: Counting Lesson
[Free Registration/Login Required] Saxon Math Lesson 51 emphasizes the number 46 using ones, tens, even, and odd numbers.
ClassFlow
Class Flow: Counting Lesson Using a Number Chart
[Free Registration/Login Required] Saxon Math Lesson 52 uses the number 47 with tens, ones and number charts.
A to Z Teacher Stuff
A to Z Teacher Stuff: Estimation Station (Lesson Plan)
A hands-on lesson plan for grades K-3 on estimation using goldfish crackers. Lesson used in conjunction with an oceans unit.
Khan Academy
Khan Academy: Numbers to 100
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.
Alabama Learning Exchange
Alex: Souper Scooper
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...