Addition and subtraction may sound easy for middle schoolers, but what if you are missing some digits? What if you want to maximize or minimize a result? This plan focuses on some common types of...
Original Handbook Problem: At a certain middle school, the 6th-grade class of 390 increased by 10%, the 7th-grade class of 350 increased by 22% and the 8th-grade class of 420 increased by 20%. Overall...
Animation Type: Stop Motion. Original Handbook Problem: It is the policy of Sky Airlines to cancel any flight that has fewer than 80% of its seats filled. A Sky Airlines plane has 24 rows with 6 seats...