Lesson Plan
Curated OER

Ordering and Computing with Negative Fractions and Decimals

For Teachers 7th
Seventh graders explore the concept of computing negative fractions and decimals. In this negative fractions and decimals lesson, 7th graders compare ordering positive fractions to ordering negative fractions. Students use mirrors to see...
Lesson Plan
Curated OER

What's Your Latitude?

For Teachers 7th - 12th
Students measure the height of items using an astrolabe.  In this latitude lesson students construct a sextant and determine height and latitude with it. 
Lesson Plan
Curated OER

From These Beginnings

For Teachers 4th - 6th
Young scholars prepare a bulletin board that shows the changing identity of their state before and after statehood.
Lesson Plan
Curated OER

Charting Attendance Rate of Busch Gardens

For Teachers 6th
Sixth graders, in groups, are given different parts of the whole project. They use information from Busch Gardens to explore line graphs, averages, and other math vocabulary.
Lesson Plan
Curated OER

Little Magic Squares

For Teachers 2nd - 4th
Students and teacher talk about arrays of numbers like the ones in A Square of Circles. They check to see that the rows all have the same sum; that the columns all have the same sum; and that the diagonals have the same sum.
Lesson Plan
Curated OER

Metrics in the Home and in the Store

For Teachers 9th - 11th
Learners investigate metric measurement. In this geometry lesson plan, students discover metric measurements of everyday objects as they compare them to US measurements.
Lesson Plan
Curated OER

Vectors Via the Calculator

For Teachers 8th
Eighth graders resolve vector problems without the knowledge of math.  In this vectors lesson students with poor math skills get a chance of passing the course. 
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Whole Number Subtraction

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Write and solve vertical subtraction problems with whole numbers.
Unknown Type
Knowledge Share

Super Kids: Subtraction Worksheet Creator

For Teachers 3rd - 8th
Create your own subtraction math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty, and vertical or horizontal equation format. You input minimum and maximum values...
Unit Plan
OpenStax

Open Stax: Vector Addition and Subtraction: Analytical Methods

For Students 9th - 10th
In this interactive students will begin to understand the rules of vector addition and subtraction using analytical methods. They will apply analytical methods to determine vertical and horizontal component vectors.
Unknown Type
Varsity Tutors

Varsity Tutors: Aplusmath: Decimal Subtraction Worksheets

For Students 4th - 8th
Create customized decimal subtraction worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can...
Unknown Type
Varsity Tutors

Varsity Tutors: Aplus Math: Subtraction Worksheets

For Students 3rd - 8th
Create customized subtraction worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can also be...
Interactive
Varsity Tutors

Varsity Tutors: Aplus Math: Subtraction Flashcards

For Students K - 1st
Practice basic subtraction facts using online flashcards. The game keeps track of how many of the attempted flashcards you get correct, and lets you know your percentage. Did you input an incorrect answer? Don't worry, a message with the...
Unknown Type
Knowledge Share

Super Kids: Addition and Subtraction Worksheet Creator

For Teachers 3rd - 8th
Create your own addition/subtraction math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty, and vertical or horizontal equation format. You input minimum and...
Unknown Type
NumberNut

Number Nut: Subtraction: Two Digit Subtraction With No Borrowing

For Students Pre-K - 1st Standards
A quiz for practicing vertical subtraction with two-digit numbers where there is no regrouping.
Unit Plan
Texas Education Agency

Texas Gateway: 3.3 Vector Addition and Subtraction: Analytical Methods

For Students 11th - 12th Standards
By the end of this section, you will be able to understand the rules of vector addition and subtraction using analytical methods, apply analytical methods to determine vertical and horizontal component vectors, and apply analytical...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Subtraction

For Students 6th - 7th Standards
[Free Registration/Login may be required to access all resource tools.] Find the difference of decimals by subtracting vertically.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Subtraction of Polynomials

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Subtract polynomials vertically and horizontally.
Activity
Other

Idea House: Clinton Administration Challenges Vertical Mergers

For Students 9th - 10th
An article from 1999 defining "vertical merger" which explains the difference between Clinton's treatment of such mergers as compared to George H.S. Bush and Ronald Reagan in their administrations.
Lesson Plan
Alabama Learning Exchange

Alex: Polynomial Subtraction

For Teachers 9th - 10th Standards
Students will review the meaning of vocabulary relevant to subtracting polynomials such as opposites and the definition of subtract. They will be presented with examples of subtracting polynomials both vertically and horizontally. They...
Activity
NumberNut

Number Nut: Subtraction: 3 Digit Numbers

For Students 3rd - 8th Standards
A brief lesson on subtracting from three-digit numbers that includes detailed examples, rules, and further explanation of borrowing.
Handout
Physics Classroom

The Physics Classroom: Image Formation by Lenses

For Students 9th - 10th
This lesson explains what lenses are, the different between a converging and diverging lens, the difference between a double convex and double concave lens, and gives definitions for terms related to lenses.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Addition

For Students 6th - 7th Standards
[Free Registration/Login may be required to access all resource tools.] Find sums of decimals by adding vertically.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...

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