McGraw Hill
Glencoe: Self Check Quizzes 2 Inequalities
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of inequalities. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...
CK-12 Foundation
Ck 12: Arithmetic: Simple Interest
[Free Registration/Login may be required to access all resource tools.] In this lesson, students solve real-world problems involving simple interest by using problem-solving strategies. Students examine guided notes, review guided...
Chem Tutor
Chem Tutor: Basic Stiochiometry
Detailed discussion of stoichiometry, mols, and percents. Includes examples showing dimensional analysis (factor-lable method) and a link to the mole road map (a diagram which leads one through the stoichiometric problem-solving process).
CK-12 Foundation
Ck 12: Algebra: Rational Equations Using Proportions
[Free Registration/Login may be required to access all resource tools.] Learn how to solve rational equations using proportions.
Other
Colgate University: Calculate Theoretical and % Yield
Good site for background and a thorough step by step method to solving problems.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Dana's House
Students use ratio and rate to solve this real-world math performance task: The lot that Dana is buying for her new one story house is 35 yards by 50 yards. Dana's house plans show that her house will cover 1,600 square feet of land....
Illustrative Mathematics
Illustrative Mathematics: 6.ee,rp 7.ee,rp Anna in d.c.
The purpose of this task is to give students an opportunity to solve a multi-step percentage problem that can be approached in many ways. Because the tax and tip in this problem are a fixed percentage of the cost of the meal, the total...
Illustrative Mathematics
Illustrative Mathematics: S Id.4 Do You Fit in This Car?
Students are tasked with solving a common issue for automobile manufacturers that require the students to use normal distribution as a model for data distribution. They will also use mean and standard deviation to figure out the problem....
Microsoft
Microsoft Education Virtual Tour: Batter Up!
This downloadable (2.7 MB Microsoft PowerPoint file) project helps students apply their knowledge of fractions and decimals to the game of baseball. They compute batting averages and hitting percentages and participate in a simulated...
Scholastic
Scholastic: Study Jams! Math: Multiplication of Decimals
Watch step by step how to solve a word problem involving the multiplication of decimals.
ClassFlow
Class Flow: Sales Tax
[Free Registration/Login Required] In this flipchart, students apply ratio, percent, and direct proportion in situations. Students solve problems involving percentages such as percent increase/decrease, tax, commission, and discount.
ClassFlow
Class Flow: Percentages
[Free Registration/Login Required] In this flipcharts, students use the interactive tools to solve various rational number problems involving percentages (e.g., percent increase/decrease, tax, commission, and discount).
ClassFlow
Class Flow: Ratio
[Free Registration/Login Required] In this flipchart, students apply their understanding of ratio, percent, and direct proportion in various situations. Students solve problems involving ratio and proportion with similar figures and with...