Gear Ratio Concepts
By James Bourassa
In this animated object, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations. A quiz completes the activity.
By Barbara Anderegg
In this learning activity you'll examine how a sine bar is used to measure angles.
An Algorithm for Converting a Hexadecimal Number to a Decimal Number
By Kevin Ritzman
In this animated and interactive object, learners follow two methods for converting a hexadecimal number to a decimal number. They test their knowledge in exercises at the end of the learning object.
Simplifying Ratios With Fractions
By Mona Wenrich
In this learning activity you'll review sample problems and practice simplifying ratios.
Reading and Interpreting Bar Graphs
By Francine Nettesheim
In this learning activity you'll identify the various parts of a bar graph, read and interpret its data, and calculate the data to solve various application problems.
The Regular Square Pyramid
By Allen Reed, Douglas Jensen
Learners study the properties of a regular square pyramid and use geometric formulas to find volume and surface area.
Unity Fractions/Unit Cancellation
By Terry Lark
In this learning activity you'll demonstrate how to use unity fractions to complete conversion calculations.
The Normal Distribution
By Jolene Hartwick
In this learning activity you'll explore normal distribution and enter values for the mean and the standard deviation of normally distributed data and observe the resulting changes in the shape of the normal curve.
Evaluating Trigonometric Ratios
By Roy Peterson
In this learning activity you'll evaluate the Sine, Cosine, and Tangent ratios of a right triangle.
Understanding Place Value
By Laurie Jarvis
In this learning activity you'll review the place values of whole numbers.
Best Buy Shopping
By Michele Williams
In this learning activity you'll discover how to calculate the best priced items and improve your financial literacy.
After a brief review, the student solves five practical shop problems using right angle trigonometry.
Vectors in Polar Form
In this learning activity you'll place given vectors in correct positions on the Cartesian coordinate system.
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.
Plotting Points on a Coordinate System
In this learning activity you'll identify points on a coordinate system.
Excel: Converting Radians to Degrees
By Patrick Hoppe
Students read how to use the DEGREES() function to convert radians to degrees.
An Algebraic Word Problem Involving Motion: Case 1
In this animated and interactive object, learners use an algebraic formula to solve a problem involving distance, rate, and time.
Evaluating the Six Trigonometric Functions
In this learning activity you'll evaluate the six trig functions using a scientific calculator.
Converting Numbers from Standard Form to Engineering Notation
By Ron Wallberg
Learners convert a number from standard form to engineering notation.
Conversions: Fractions-Decimals- Percents Pre-Test
By Suzi Hunsader
Students perform conversions among fractions, decimals, and percentages in this assessment.
In this learning activity you'll use the Pythagorean Theorem to calculate the lengths of the legs and hypotenuse of a right triangle.
Buying a Car: What It Really Costs with Finance Charges
In this learning activity you'll calculate the difference in the total cost of a new car when using cash and when paying for the car with a 60-month loan.
Least Common Multiple
By Barb Hummel
Learners practice a technique for finding the least common multiple of a group of numbers.
Subtracting Fractions with Unlike Denominators
By Bill Truttschel
In this animated and interactive object, learners view two examples of how to subtract fractions with unlike denominators and then work five similar problems.
The Right Circular Cylinder
Learners study the properties of a right circular cylinder and use geometric formulas to find volume and surface area.