Whiteboard
ClassFlow

Class Flow: Ms. Marsha's Farm Math Review

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] This flipchart provides addition and subtraction word problems at second grade level, with regrouping.
Website
PBS

Pbs Learning Media: Cooking Contest

For Students 3rd - 8th
In this Cyberchase video segment, Matt uses subtraction to help Digit figure out how much time he has left in a cooking contest with Hacker.
Handout
Cool Math

Coolmath: Coolmath4kids: Subtracting Numbers Within 1000

For Students 3rd - 4th Standards
Step-by-step tutorial showing how to subtract numbers less than 1000 in place value columns with and without regrouping. Includes sample problems to try.
Unit Plan
Khan Academy

Khan Academy: Subtract 1 or 10

For Students 1st - 3rd Standards
Practice subtracting 1 or 10 from a 2-digit number (no regrouping). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Teaching Treasures Publications

Teaching Treasures: Year Eight Timed Mental Math

For Students 3rd - 8th Standards
Improve your computation skills using this timed interactive worksheet.

Other popular searches