Finding the Coordinates of the Point Where an Arc Blends Into a Line
By Alan Dohm
Students use trigonometry to find the coordinates of the blending point where a line and an arc meet. Learners are given the coordinates of the center of the arc, the radius of the arc, and the direction of the line.
Finding the Lowest Common Denominator for Algebraic Fractions
By Jim Cihak
In this interactive and animated object, learners follow instructions for finding the lowest common denominator for a group of algebraic fractions. Immediate feedback is provided. This activity has audio content.
Fraction Basics
By Mary LeBrun
In this learning activity you'll identify fractions and view illustrations of fractions.
Fundamental Laws of Algebra
By Allen Reed, Douglas Jensen
Learners review the fundamental laws of algebra including the commutative law of addition, the commutative law of multiplication, the associative law of addition, the associative law of multiplication, and the distributive law. Examples are given.
Gear Ratio Concepts (Screencast)
By James Bourassa
In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.
Geometric Figures and Parts
In this learning activity you'll identify identify two-dimensional geometric shapes in a matching exercise.
Getting Acquainted With Your Calculator
By Judy Jones
In this learning activity you'll practice using your scientific calculator to fill in a mathematical crossword puzzle.
Grouped Numerical Frequency Distributions - Definitions: Second in a Series
By Thomas Pomykalski
In this interactive object, learners read the definitions of terms associated with the construction of a grouped frequency distribution. A brief quiz completes the activity.
Grouped Numerical Frequency Distributions -- Determining the Lower and Upper Limits: Fifth in a Series
Learners follow steps to establish the lower and upper limits in a spreadsheet.
Grouped Numerical Frequency Distributions - Determining the Range, Class, and Width: Fourth in a Series
Students examine an Excel spreadsheet to determine range, class, and width.
Grouped Numerical Frequency Distributions - Establishing Class Boundaries: Sixth in a Series
Learners follow steps to establish class boundaries and tally the data using a spreadsheet.
Grouped Numerical Frequency Distributions - Identifying Low and High Values: Third in a Series
Students follow step-by-step directions for entering data into a spreadsheet and reporting the results.
Grouped Numerical Frequency Distributions Using Manual Means
In this learning activity you'll examine the terms associated with a grouped frequency distribution and follows the steps to construct a grouped frequency distribution using manual methods.
Grouped Numerical Frequency Distributions: An Overview -- First in a Series
In this interactive object, students read about organizing data in a tabular form. A brief quiz completes the activity. This is the first in a series of six learning objects.
How to Convert from One Unit to Another in the Metric System
By Nabila Dahche
In this learning activity you'll practice converting from one metric unit to another.
Identifying Engineering Notation
By Ron Wallberg
The learner will represent very large and very small numbers in engineering notation.
Identifying Key Words in Math Problems
By Lori Pennock, Sharon Chase, Robin Horne, Danene Dusenske, Barbara Foye
In this learning activity you'll read key words that direct you to add, subtract, multiply, or divide.
Identifying the Number of Significant Digits
Learners will identify the number of significant digits in practice problems.
Important Zeros
By Mona Wenrich
In this learning activity you'll assess which zeros are important when defining a number and which zeros can be dropped.
Inverse Variation
By Terry Lark
In this learning activity you'll practice calculating an inverse variation problem.
Joint Variation
In this learning activity you'll practice calculating a joint variation problem.
Karnaugh Maps
By Patrick Hoppe
Learners examine the Karnaugh map for a three-variable system. Several examples are given.
Labeling a Right Triangle
By Roy Peterson
In this learning activity you'll identify the sides of a right triangle with respect to the angles.
Law of Sines
In this learning activity you'll apply the Law of Sines in the solution on an oblique triangle when provided with two angles and the side opposite one of the angles.
Learn to Count by Common Radian Units
By Laura Shears
The target audience of this learning object is trigonometry students who have already learned what a radian is and have already derived the key values of the coordinates associated with common radian units, but now need to practice finding those values on the unit circle. The student does not need to know the definition of the six trig functions to do this activity.