Curated OER
Ordering and Computing with Negative Fractions and Decimals
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...
Curated OER
What's Your Latitude?
Students measure the height of items using an astrolabe. In this latitude lesson students construct a sextant and determine height and latitude with it.
Curated OER
From These Beginnings
Young scholars prepare a bulletin board that shows the changing identity of their state before and after statehood.
Curated OER
Charting Attendance Rate of Busch Gardens
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.
Curated OER
Little Magic Squares
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.
Curated OER
Metrics in the Home and in the Store
Learners investigate metric measurement. In this geometry lesson plan, students discover metric measurements of everyday objects as they compare them to US measurements.
Curated OER
Vectors Via the Calculator
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.
CK-12 Foundation
Ck 12: Arithmetic: Whole Number Subtraction
[Free Registration/Login may be required to access all resource tools.] Write and solve vertical subtraction problems with whole numbers.
Knowledge Share
Super Kids: Subtraction Worksheet Creator
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...
OpenStax
Open Stax: Vector Addition and Subtraction: Analytical Methods
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.
Varsity Tutors
Varsity Tutors: Aplusmath: Decimal Subtraction Worksheets
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...
Varsity Tutors
Varsity Tutors: Aplus Math: Subtraction Worksheets
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...
Varsity Tutors
Varsity Tutors: Aplus Math: Subtraction Flashcards
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...
Knowledge Share
Super Kids: Addition and Subtraction Worksheet Creator
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...
NumberNut
Number Nut: Subtraction: Two Digit Subtraction With No Borrowing
A quiz for practicing vertical subtraction with two-digit numbers where there is no regrouping.
Texas Education Agency
Texas Gateway: 3.3 Vector Addition and Subtraction: Analytical Methods
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...
CK-12 Foundation
Ck 12: Arithmetic: Decimal Subtraction
[Free Registration/Login may be required to access all resource tools.] Find the difference of decimals by subtracting vertically.
CK-12 Foundation
Ck 12: Algebra: Subtraction of Polynomials
[Free Registration/Login may be required to access all resource tools.] Subtract polynomials vertically and horizontally.
Other
Idea House: Clinton Administration Challenges Vertical Mergers
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.
Alabama Learning Exchange
Alex: Polynomial Subtraction
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...
NumberNut
Number Nut: Subtraction: 3 Digit Numbers
A brief lesson on subtracting from three-digit numbers that includes detailed examples, rules, and further explanation of borrowing.
Physics Classroom
The Physics Classroom: Image Formation by Lenses
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.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Addition
[Free Registration/Login may be required to access all resource tools.] Find sums of decimals by adding vertically.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
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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