Measuring and comparing water flow rates from cups of different sizes and materials is an intuitive way of modeling with linear functions and provides multiple entry points for all students to engage with the mathematics.

Turn a light on the Rectangle Border problem and watch students make connections among multiple representations to better understand structure.

Cryptography-based investigations can help students develop conceptual understandings.

Human Rights Education, or HRE, can be applied to allocation of scarce resources, such as food production.

Increase efficiency in multiple areas, including planning, instruction, and discipline.

Use cubic polynomial functions before increasing the difficulty with irrational values.

Beginning teachers can easily implement these strategies to increase student achievement.