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せいとへの指示
Click on 
Click on the 
Use the eraser to erase the center of each box to reveal an addition problem. Use cubes or your fingers to solve the problem. Use the 
to record the solution.
Click 
to turn in your work.
せんせいメモ（せいとたちには非表示）
Based off the lesson Scratch and Say by Kris Szajner.
