Plants never grow at the same rate, and that is the antithesis for this word problem involving multiplication of fractions. On the worksheet, Raul notices that Pablo's seedlings are 1 1/2 times as tall, and Celina's seedlings are 3/4 as tall. Fifth graders have to figure out which one is taller without calculating. This activity can be a quick assessment for checking who in the classroom understands fractions conceptually, or it would be a great lead-in for a lesson on multiplying fractions and whole numbers. Note: No formal lesson plan is provided, but the answer key gives teacher solid information for classroom implementation.

Common Core

5.NF.B.5.a 5.NF.B.5.b MP2