3 1 50 Stuart J. Murphy Primary Author G. Brian Karas Primary Author mixed material 9780064467018 ‎HarperCollins 1996 cover_give-me-half-mathstart-2-20230202104003.jpg Measuring with Fractions Nancy Harris Primary Author mixed material 9781600446450 Rourke Publishing LLC 2008 cover_is-an-inchworm-an-inch-measuring-with-fractions-20230206104225.jpg Learning About Fractions from Klondike and Snow Ann Whitehead Nagda Primary Author Cindy Bickel Primary Author mixed material 9780805073010 Henry Holt and Co. (BYR) 2004 cover_polar-bear-math-learning-about-fractions-from-klondike-and-snow-20230202145541.jpg