Lessons tagged with "cross-multiply"
Solve Problems Involving Rates
- Grade:
- 6
- Subject:
- Math
This algebra and functions lesson focuses on solving problems involving rates. The lesson includes research-based strategies and strategic questions that prepare students for assessments. In this lesson, students read the problem, identifying the given rate and the given and unknown quantities of the other rate. Then, they set up the proportion and solve it by cross-multiplying. Finally, they interpret the solution. In addition to the lesson, there are four pages of Independent Practice and review with questions modeled after current adaptive testing items.
Use Proportions to Solve Problems
- Grade:
- 7
- Subject:
- Math
This number sense lesson focuses on using proportions to solve problems. The lesson includes research-based strategies and strategic questions that prepare students for assessments. In this lesson, students read the problem and identify the given ratio. Then, they set up a proportion using the given ratios, if necessary. Finally, they cross-multiply and solve for the unknown value by applying an inverse operation, and then they interpret the solution. In addition to the lesson, there are eight pages of Independent Practice and review with questions modeled after current adaptive testing items.
Solve Problems Involving Rates
- Grade:
- 7
- Subject:
- Math
This algebra and functions lesson focuses on solving problems involving rates. The lesson includes research-based strategies and strategic questions that prepare students for assessments. In this lesson, students read the problem and identify the known rate and any information about the unknown rate. Then, they set up a proportion using the known rate and the unknown rate. Finally, they solve for the unknown quantity by cross-multiplying and solving the equation, and then interpret the solution in a complete sentence. In addition to the lesson, there are four pages of Independent Practice and review with questions modeled after current adaptive testing items.