Building and Inverting Functions

Tools

1 ready to use.

Undo Machine

Number tokens ride out along a chain of machines and must ride home along the undo chain you build, until squaring or rounding crashes two of them into one output and only a gate can save the day.

Math Grade 11 Puzzle

Word Wall

6 words in English and Spanish: inverse function, composition, one-to-one, horizontal line test, piecewise function, reflection. Print them as wall cards, mini cards or a student glossary.

Print the words

Lesson plans

One class period each, built around a tool. Print them, change them, share them.

• Undo Machine50 minutes · I can compose functions, write and verify an inverse by undoing steps in reverse order, read inverses as a reflection across y = x, and restrict a domain to make a function one-to-one.