Scientific Notation - Converting Scientific Notation to Ordinary Numbers
By Danene Dusenske
In this learning activity you'll review an explanation of scientific notation and complete exercises to convert scientific notation to ordinary numbers.
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.
Numerical Curiosities: Part 4
By Jeganathan Sriskandarajah
In this fourth part in a series, learners follow the steps of the “mathemagician” to examine three numerical curiosities: Be a Psychic by Predicting Birthdays, Predict a Card with Mind Reading, and Predict the Three Die Values Your Opponent Has Rolled. Learners will also study palindromic numbers and look at two alphametric puzzles.
Simplifying Square Roots
By Roy Peterson
In this learning activity you'll simplify square roots involving the product of a numeric and variable term.
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.
Solving Percent Problems Using the Grid Method
By Laurie Jarvis
In this learning activity you'll calculate percentages using a grid to solve problems.
Vectors in Polar Form
By Jolene Hartwick
In this learning activity you'll place given vectors in correct positions on the Cartesian coordinate system.
Grouped Numerical Frequency Distributions: An Overview -- First in a Series
By Thomas Pomykalski
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.
Statics - Trig: Pythagorean Theorem Calculations Using a TI-86
By Steve Whitmoyer
In this animated and interactive object, the learner uses a TI-86 calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.
The Sphere
Learners study the properties of a sphere and use geometric formulas to find volume and surface area.
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.
Simplifying Algebraic Fractions that Contain Addition and/or Subtraction
By Jim Cihak
In this interactive object, learners follow step-by-step instructions for reducing algebraic fractions, which contain addition and/or subtraction, to their simplest form. This activity has audio content.
Standard-Position Angles and Reference Angles
By Kevin Ritzman
The learner will recognize standard-position angles and find the reference angle for any standard-position angle.
Subtracting Binary Numbers by Adding the 2's Complement
In this learning activity you'll solve three binary subtraction problems using the 2's complement method.
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.
Pythagorean Theorem
By Michele Williams
In this learning activity you'll use the Pythagorean Theorem to calculate the lengths of the legs and hypotenuse of a right triangle.
The Mathematics of Buying: Putting It All Together
By Mary Lee Rudnick-Kaun
Learners tackle this interactive learning object after studying the mathematics of buying. This activity ties together the ideas of net cost, list price, trade discounts, cash discounts, net cost equivalent, and single discount equivalent, as well as the concepts of part, base, and rate.
An Introduction to the Powers of 10
The learner will evaluate powers of 10 with integer exponents and multiply decimal numbers by powers of 10 with integer exponents.
Least Common Multiple
By Barb Hummel
Learners practice a technique for finding the least common multiple of a group of numbers.
The Square
In this animated activity, learners read about the properties of a square and its components. They then work practice problems to find the perimeter and area of squares.
Variation - Application Problems
By Terry Lark
In this learning activity you'll practice two variation application problems.
Budgeting Monthly Expenses
In this learning activity you'll establish your budget by determining your earnings, expenses, and goals.
Strength of Materials: The Centroid of a Triangle
In this animated and interactive object, learners calculate the area and centroid of a triangle.
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.
Ungrouped Numerical Frequency Distributions
Learners follow the steps required to construct an ungrouped frequency distribution using either manual methods or a spreadsheet.