Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtraction Select the Incorrect Sentence

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to use regrouping to solve a series of multi-digit subtraction problems to determine which one does not result in the given difference. The video...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting One Digit Numbers Word Problems

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to solve a subtraction problem by creating a model. The video is followed by a series of practice questions to assess student comprehension of...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtraction Select the Correct Sentence

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to use regrouping to solve a series of multi-digit subtraction problems to determine which one results in the given difference. The video is...
Activity
Teaching Treasures Publications

Teaching Treasures: Year Five Math (Page 2)

For Students 3rd - 8th Standards
Use this interactive worksheet for practice or assessment of basic computation skills. Problems covering all four operations are included such as four-digit addition and subtraction and multiplication and division facts through twelve...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 3 Numbers Word Problems

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a subtraction two-digit word problem with subtracting 3 numbers. The video is followed by additional problems for students to...
Lesson Plan
Alabama Learning Exchange

Alex: 100 More Hungry Ants

For Teachers Pre-K - 1st
Students will investigate what happens to the number of ants at a picinc when 100 more ants arrive at the picnic. They will explore this concept using a slide presentation followed by a partner game. This lesson plan was created by...
Activity
University of Illinois

University of Illinois: Mste: Flash Card Applet

For Students 3rd - 5th
In this activity, students solve addition or subtraction of one- and two-digit numbers as their progress is checked.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.nbt What's My Number?

For Teachers 3rd - 5th Standards
The purpose of this task is for students to reason about base-ten numbers on the number line in a way that will require them to use what they know about place value. Students first represent addition and subtraction on the number line in...