Solving Percent Problems Using a Pyramid Grid (Screencast)
By MarQulyn McKinney
Students use the pyramid method to solve percent problems. The pyramid grid provides a visual way to set up the equation.
The Rectangular Solid
By Allen Reed, Douglas Jensen
Learners study the properties of a rectangular solid and use geometric formulas to find volume and surface area.
Changing a Decimal to a Fraction (Screencast)
By Mona Wenrich
In this learning activity you'll explore how to change a decimal to a fraction and learn a method to visually check the fraction for accuracy.
Long Division - Step-by-Step
By Barbara Laedtke
In this learning activity you'll calculate the answers to long division problems.
Cramer's Rule
By Roy Peterson
In this learning activity you'll solve systems of two linear equations in two unknowns by determinants.
An Algorithm for Converting a Decimal Number to an Octal Number
By Kevin Ritzman
In this animated object, learners examine a systematic method for converting a decimal number (base 10) into an octal number (base 8).
The TI-83 Plus Calculator: Using the LOG Function
By Patrick Hoppe
Students follow the correct keystrokes to calculate the logarithm of a number.
The Parallelogram
In this animated activity, learners read the definition of a parallelogram and then find the perimeter and area of parallelograms in practice problems.
The Right Circular Cylinder
Learners study the properties of a right circular cylinder and use geometric formulas to find volume and surface area.
Excel: Determining the Complex Conjugate
Students read how to use the IMCONJUGATE() function to convert complex numbers to their conjugate in rectangular form.
Identifying Engineering Notation
By Ron Wallberg
The learner will represent very large and very small numbers in engineering notation.
What I Want Now....The Hidden Costs of Rent-to-Own
By Kristin Biekkola
In this learning activity you'll analyze the costs of rent-to-own buying plans and compare those plans to other consumer strategies.
Excel: Entering a Complex Number
Learners examine the complex number function to convert real and imaginary coefficients into a complex number.
Fundamental Laws of Algebra
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.
Identifying the Number of Significant Digits
Learners will identify the number of significant digits in practice problems.
Statics - Trig: The Law of Sines Using a TI-86 Calculator
By Steve Whitmoyer
In this interactive and animated object, learners apply the Law of Sines to determine forces using a TI-86 calculator.
Learning About Your Earnings (Screencast)
By Michele Williams
In this learning activity you'll practice reading and interpreting a paychecks and paycheck stub.
Simplifying Ratios With Fractions
In this learning activity you'll review sample problems and practice simplifying ratios.
Excel: Converting Radians to Degrees
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.
The Cube
Learners study the properties of a cube and use geometric formulas to find volume and surface area.
The Triangle
Learners examine the properties of a triangle and work practice problems to find a triangle's perimeter and area.
Simplifying Algebraic Expressions: Addition & Subtraction
Learners read definitions of the terminology associated with algebraic operations and then follow steps to simplify algebraic expressions.
Statics - Trig: Pythagorean Theorem Calculations Using Excel
Learners examine how to solve problems using the Pythagorean Theorem in Excel. Practice problems are included.
Fraction Basics
By Mary LeBrun
In this learning activity you'll identify fractions and view illustrations of fractions.