
![No Image for Keeping Things in Proportion: Reasoning with Ratios, Student Book (EMPower extending mathematical power)[TERC series] No image for product](/assets/images/no-image.png)
Myriam Steinback; Mary Jane Schmitt; Donna Curry; Tricia Donovan; Martha Merson





Globe Fearon,Globe


Nctm Commission on Teaching Standards Fo; National Council of Teachers of Mathemat



Houghton Miffin Harcourt



Terri Landers; Missing Piece Press [Editor]



Atkins, Robert C.; Carey, Francis A; Atkins, Robert; Carey, Francis



Kellough, Richard D.; Kellough, Noreen G.


Humbach, Nancy A.; Ozete, Oscar
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