Parents and Teachers: Please note we are making some internal changes to the site. As a result, the Great American Multiplication Challenge, Spellerz!, Burnside's Billions and couple of other games will not show statistics or return save codes for the next few days. They will be playable, but no data will be saved. They should be fully functional again by the end of the week. As always, please support this site by following me on FACEBOOK or TWITTER.

Grade 1 Common Core Standards: Adding One and Two Digit Numbers (no regrouping)

Grade 1 Adding Two-digit Numbers

   

1.

Introduction to Regrouping

2.

Adding Two-digit and One-digit Numbers with no regrouping

3.

Adding Two-digit and One-digit Numbers with regrouping

4.

Adding Tens

5.

Adding a Number Plus Ten

6.

Subtracing Ten from a Number

7.

Subtracting Multiples of Ten from Two-digit Numbers
   

Two-digit Addition Videos

   
Adding Two-digit Numbers with and without regrouping
   

Adding Two-digit Numbers Workshop

   

8.

Amazing Number Chart

9.

Drag and Drop Math

10.

Math Machine
   

Adding Two-digit Games

   

12.

Genius Boxing

13.

War Pretzels

14.

Math Fries

15.

Dr. Chomper

16.

Defeat the Math Monster

17.

Golden Path

18.

World Cup Math

19.

Calendar Clowns
 

Other Links

   

18.

Addition Home

19.

Subtraction Home

20.

First Grade Standards

21.

Second Grade Standards