## Practices Level D

Level D completes the foundational numeracy skills that adults need to fully engage in college and career readiness. Instruction is more rigorous than at any of the previous levels. This level focuses on life skills and may extend beyond generalized workforce skills into a college and career specific application. Instructional activities should include:

• Analyzing and solving complex problems where the solution(s) are not directly derived from the information provided.
• Discussing different methods of approaching problems. Student-led and small group discussions should be common; students should be able to use estimation to reduce the amount of arithmetic in a problem.
• Problems that require algebraic thinking may be used as a tool applied to a problem from various math content areas.
• Comprehending information presented in a variety of formats, such as charts, graphs, tables, illustrations, printed articles, instruction sets and manuals, and media presentations. Students should also be able to present information in a variety of formats.
• Challenging students to explain and justify steps taken in a complex problem-solving process. Students should be expected to use specific mathematical terms at the appropriate times.
• Leading students to assess their work at specific points during the problem solving process and redirect if necessary.
• Solving problems that require creating a mathematical model to simplify the situation. Students should be challenged to recognize mathematics in indirect applications or contexts.
Activities for Practices Level D
Hard Two-step Equation

Algebraic Thinking D: This worksheet focuses on rigor and different ways of expressing an algebra problem.

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Number sense foundation and integers

Algebraic Thinking D: This lesson plan is an introduction to number and progresses to more complex integers.

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Developing a sense of scale

Algebraic Thinking C & D: In this lesson, students will be able to describe a ration relationship between two quantities and use proportional reasoning to solve real-world problems.

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Infinite Algebra I: One-step Equations

Algebraic Thinking C & D: In this activity, students will learn what the solution of a linear equation represents and how to solve a simple linear equation by applying an inverse operation. If the numbers (constants) in a linear equation are "nice numbers," students may be able to sole the equation by applying the inverse operation in their heads.

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Infinite Pre-algebra: Multi-step Equations

Geometry C & D: In this activity, students will be able to find the slope when given the coordinate pairs by using the formula or by graphing.

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