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Unit Plan
Coolmath: Coolmath4kids: Adding Numbers Within 1000 Unit Plan
Cool Math

Coolmath: Coolmath4kids: Adding Numbers Within 1000

For Students 3rd - 4th Standards
Step-by-step tutorial showing how to add 3-digit numbers in place value columns with and without regrouping. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000
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Activity
Teaching Treasures: Year Four Math (Page 1) Activity
Teaching Treasures Publications

Teaching Treasures: Year Four Math (Page 1)

For Students 3rd - 8th Standards
This interactive worksheet combines all four operations. The focus is on addition and subtraction fact through one hundred and basic multiplication and division facts. This easy to navigate activity offers learners immediate feedback and...
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Whiteboard
Class Flow: Adding Larger Numbers Whiteboard
ClassFlow

Class Flow: Adding Larger Numbers

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] This is a flipchart to introduce adding two-digit numbers with regrouping. Applicable for grades 2 and 3.
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Whiteboard
Class Flow: This Doesn't Add Up! Whiteboard
ClassFlow

Class Flow: This Doesn't Add Up!

For Teachers 3rd - 5th
[Free Registration/Login Required] This flipchart teaches the steps in adding 2 or more digits with regrouping and gives students practice problems.
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Unit Plan
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation

For Students Pre-K - 1st Standards
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
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