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.

In this animated and interactive object, learners view two examples of how to subtract fractions with unlike denominators and then work five similar problems.

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.

Scientific Notation - Converting Scientific Notation to Ordinary Numbers

In this learning activity you'll review an explanation of scientific notation and complete exercises to convert scientific notation to ordinary numbers.