Lesson objective: Apply fluency skills in order to solve problems more efficiently.
This lesson provides an opportunity for students to apply their knowledge and understanding of fluency within five to a reallife situation. Students are asked to solve a problem involving missing items with fluency.
Key Concept students will use:

Fluently adding and subtracting can help us solve math problems more efficiently.
Skills students will use:
 Composing and decomposing numbers to five
Students engage in Mathematical Practice 1 (Make sense of problems and persevere in solving them) as they use their knowledge of number partners to fluently add and subtract within five.
Key vocabulary:
 fluency
 number partners
Special materials needed:
 twocolor counters