Teacher's manual [&c.].

able acquired actually addition adopted advantage allowed already answer appear applied arithmetic arranged attention begin called carried cause child connection copy correct course definition desks dictation difficulty divide division duty easily Education errors examination example exercise explained express fact figures four frequently fully give given habits hand hour important instance instruction intelligent kind knowledge lesson letters mark master means memory mental merely method mind minutes multiply nature necessary notes object ordinary person practice Preparing present principle proper pupils questions reading reference removal repeat rule says secure selected sentences simple slates spelling step sufficient taught teacher teaching thing third tion true understand units words writing written