Subtracting Mixed Number Fractions with Borrowing

By Pat Walker

In this learning activity you'll perform subtraction calculations using borrowing with mixed number fractions.

Operations with Zero

By Allen Reed, Douglas Jensen

Learners review the basic math operations involving zero, emphasizing that division by zero is undefined. Examples are given.

Order of Operations (Screencast)

By Barb Hummel

In this activity you'll calculate equations using the order of operations. You'll be introduced to what it is and how it works.

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.

Casio fx-260 Solar Calculator - Defining the Keys

By Suzi Hunsader

In this learning activity you'll define the keys on the Casio fx-260 Solar Calculator.

Casio fx-260 Solar Calculator - Finding the Keys

In this learning activity you'll practice identifying keys on the Casio fx260 Solar Calculator.

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.

Fraction Basics

By Mary LeBrun

In this learning activity you'll identify fractions and view illustrations of fractions.

Welcome to the World of Prime Numbers

By Jeganathan Sriskandarajah

In this learning activity you'll use a chart and a calculator to find prime numbers 1 and 100.

Units of Measurement

By Barbara Anderegg

In this learning activity you'll explore units of measurement.

Adding Fractions With Unlike Denominators (Screencast)

By Tina Dietzman

Learners follow steps to add fractions with different denominators. They also review fraction concepts, do a drag-and-drop exercise involving fraction terms, and add fractions with common denominators.

An Introduction to the Powers of 10

By Kevin Ritzman

The learner will evaluate powers of 10 with integer exponents and multiply decimal numbers by powers of 10 with integer exponents.

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.

Scientific Notation - What is it?

By Danene Dusenske

In this learning activity you'll explore what scientific notation is and how it's used to express very large and very small numbers.

Plotting Points on a Coordinate System

By Francine Nettesheim

In this learning activity you'll identify points on a coordinate system.