Explore Armstrong numbers, identify all Armstrong numbers less than 1000, and investigate a recursive sequence that uses a similar process.

Lesson Plan

Grades: High School, 6th to 8th

Emma, a new employee at a box factory, is supposed to make cube‑shaped jewelry boxes. Help Emma determine how many different nets are possible and analyze the resulting cubes.

Lesson Plan

Grades: 6th to 8th

Geometry

Solve real-world and mathematical problems involving area, surface area, and volume.

6.G.A.4

Use unit rates or proportions and think critically about the real world applications of a baking problem.

Lesson Plan

Grades: 6th to 8th

Ratio & Proportion

Analyze proportional relationships and use them to solve real-world and mathematical problems.

7.RP.A.3, 7.RP.A.2a

Examine the bar code system, and then, discover the applications of modular arithmetic as applied to credit card numbers.

Lesson Plan

Grades: High School

Relate linear equations and graphs in a game of ships and attacks.

Lesson Plan

Grades: 6th to 8th

Ratio & Proportion

Functions

Expression/Equation

Analyze proportional relationships and use them to solve real-world and mathematical problems.

Use functions to model relationships between quantities.

Understand the connections between proportional relationships, lines, and linear equations.

8.EE.B.5, 8.F.B.4, 7.RP.A.2b, 7.RP.A.2d