An introduction to cereals that describes different foods in the grains group and discusses their health benefits. Food Is Categorical. Interest Level: K-3 Reading Level: 4.0 ATOS Book Level: 4 AR Interest Level: LG AR Points: .5 AR Quiz: 137602EN Reading Counts Level: 5.3 Reading Counts Points: 1 Lexile Measure: 810 Fountas & Pinnell: N.