Red and yellow do not make orange in this activity, but they do create a real-life, multiplication of fractions word problem. As either a lead-in or an assessment, math masters display their understanding of 1/2 x 5/6 when a wall needs to be repainted and is only partially finished. A picture representation and possible solutions are shown in the commentary. 

Common Core

5.NF.B.3 5.NF.B.4.a 5.NF.B.5.a 5.NF.B.5.b 5.NF.B.6 5.NF.B.7.a MP2 MP8