Basic Skills

Pre-Algebra

• Factoring
• Fractions
• Fraction Operations
• Ratios, Proportions & Percents
• Integers

Geometry

Algebra

Trigonometry

Proportions

Description – Learn that proportions are compared ratios. Use cross product to determine if proportions are equivalent or to determine their relative size.

Activities – Multimedia Tutorial

 Objectives

• Learn that a proportion is an equation that states two ratios are equal.

• Learn how to read a proportion.

• Learn to use equivalent fractions to represent ratios as proportions.

• Use the cross products method to determine if ratios are equal or to determine their relative size.

• Recognize proportion in algebraic equations.

• Write a proportion equation based on a word problem.

• Learn a method to solve a proportion equation for a missing variable.

• Use proportions to solve for scaled similar figures.

• Use proportions to measure the height of an object.

• Learn that scale is the ratio of an object’s actual size to that of a model. 

Tags

Ratios, Rate, Proportions, Similar Figures,Scale Model, Percents, Solving Percent Problems

Power Basics

Power Up Your Math Curriculum!
Learners are guided toward mastery of essential math concepts from basic operations through fractions, decimals, and percents and the fundamentals of algebra and geometry.