Keep your Algebra I students engaged as they practice with writing simple functions and using function notation in the circuit format! Students will build and evaluate functions from verbal descriptions and from tables. Students start on an easy problem and then must hunt for their answer to advance in the circuit. 20 problems which build function fluency -- intended to be worked without a calculator. Suitable for Algebra 2, college math, and standardized test review. Inspired by Common Core State Standards (CCSS) test items!