Abstract: A concrete wall hopper comprising: a front board having hook tabs, a rear board having hook tabs, two sideboards having slots capable of receiving the hook tabs to allow firm connection between the front board, rear board and two sideboards when the slots receive the hook tabs, wherein each of two sideboards forms a notch at the bottom of the sideboard, the notches shaped to receive and straddle the top of a wall, wherein the front board and the rear board form an angle less than 90 degrees capable of funneling concrete flow into the hollow portion of a wall, wherein the notches can screed concrete at the height of the wall when a user moves the hopper along the wall.