Rice University
Calculus Volume 3
See calculus to the end. The eBook is the last of a three-volume series covering college-level calculus topics. Scholars begin with parametric equations and polar coordinates before moving to vectors, finally ending with multi-variable...
CK-12 Foundation
Proportions Using Cross-Multiplication: Proportions Using Cross Product
Don't get it crossed—the resource is a great one. Scholars read and watch a video that explains proportions and cross products. They then use an interactive to determine that cross products are equal and answer a set of challenge...
Teach Engineering
May the Magnetic Force Be with You
Class members use mathematics in order to better understand magnetic forces and their interaction on charged particles. After a demonstration of the interaction between a magnet and an electron beam using a CRT computer monitor,...
West Contra Costa Unified School District
Multiplying Fractions
Three pages make up a reference document designed to assist families in providing the information needed for their children succeed in mathematics. Detailed descriptions and labeled examples showcase how to multiply fractions.
Curated OER
Study Buddies - Proportions
Middle-schoolers solve various problems related to proportions. They write ratios in word form and then, replace the words with numbers. Pupils also write an equation in which they will cross-multiply to solve the proportion. This is an...
Curated OER
Gyroscopes in Motion
Physics stars will enjoy learning about the conservation of energy as you demonstrate gyroscope precession. The lecture is broken into five subtopics: cross product, rotating vectors, angular momentum, rotating rigid bodies, and torque...
Curated OER
Study Guide: Rational Numbers
For this rational numbers worksheet, students solve and complete 8 different problems that include applying the comparison property and density property for rational numbers. First, they replace each blank with the correct symbol to make...
Curated OER
Applications of the Cross Product and Dot Product
In this cross product and dot product worksheet, students solve 2 problems including finding the magnetic field between 2 poles of a magnet and determining angles between vectors in a word problem about television watching given a scale...
Curated OER
Rational Numbers
In this rational numbers worksheet, students solve and complete 25 different problems that include identifying numerous types of rational numbers. First, they place a greater than, less than or equal to symbol between the fractions to...
Curated OER
Using Proportions
In this using proportions learning exercise, 10th graders solve 9 various types of problems that include two word problems suing proportions. First, they use the table to find the ratios of each and express each ratio as a decimal...
Curated OER
Algebra Using Proportions
In this algebra using proportions instructional activity, 10th graders solve 14 various types of problems by applying algebra methods to geometry. First, they solve each of 8 proportions using cross products. Then, students use the...
Curated OER
Math 224 Spring 2004: Dot Product
In this dot product activity, students consider two vectors and compute the dot product and cross product of the given vectors. This two-page activity contains four problems.
Curated OER
Math 212: Dot Product and Cross Product
In this dot product worksheet, students consider vectors, find the value of an angle, and confirm the area of a given parallelogram. This two-page worksheet contains three problems.
Curated OER
Math 212: Planes
In this plane worksheet, students find the midpoint of a line, determine points on a plane, and use the cross product to find an equation with given parameters. This two-page worksheet contains three problems.
Math.com
Math.com: Proportions
This lesson explains proportions along with the formula to determine if the ratios are equal. An interactive practice activity is included.
CK-12 Foundation
Ck 12: Arithmetic: Proportions
[Free Registration/Login may be required to access all resource tools.] In this lesson students recognize proportions as a statement of equivalent ratios. Students examine guided notes, review guided practice, watch instructional videos...
CK-12 Foundation
Ck 12: Analysis: Cross Products
[Free Registration/Login may be required to access all resource tools.] In this lessons students will be defining and calculating cross products and normal vectors. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Arithmetic: Proportions Using Cross Products
[Free Registration/Login may be required to access all resource tools.] In this lesson students use cross products to solve proportions and find the value of the missing variable. Students examine guided notes, review guided practice,...
CK-12 Foundation
Ck 12: Arithmetic: Proportions Using Cross Products
[Free Registration/Login may be required to access all resource tools.] In this lesson students write proportions and then solve proportions by using cross-products. Students examine guided notes, review guided practice, watch...
Wolfram Research
Wolfram Math World: Right Hand Rule
This page from MathWorld.com provides a good description of how to use the right-hand rule, which determines the orientation of a cross product. Also includes a helpful picture.
Wolfram Research
Wolfram Math World: Cross Product
This site from Mathworld.com contains an explanation of a croos product and example with links to clarify unfamiliar proceedures in finding a cross product. If you are not famialiar with the right-hand rule, be sure to go click on the...
ClassFlow
Class Flow: Proportions
[Free Registration/Login Required] This lesson contains notes and examples for instructing how to solve proportions. Begins with relations to equivalent fractions, and then gets into solving algebraically using cross products. It...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Cross Products
Find a quick, concise explanation of Cross Products. An example is given and clearly explained.
National Council of Teachers of Mathematics
The Math Forum: The Cross Product
This site gives a brief explanation of cross products.