The second school year; a course of study with detailed selection of lesson material, arranged by months, and correlated . rectangleis the sum of the parallel sides of the trapezoid. The alti-tude of the rectangle is half the altitude of the trapezoid. Find the area of the trapezoid. Draw and cut many trapezoids in which the area is tobe found. Mark off trapezoids on the ground and find the numberof square feet in them. TENT Material: Heavy cardboard or oak tag. Size, twelveinches by twelve inches. Measure along the upper edge of the paper, beginningat the left, one and one-quarter inches; mak
The second school year; a course of study with detailed selection of lesson material, arranged by months, and correlated . rectangleis the sum of the parallel sides of the trapezoid. The alti-tude of the rectangle is half the altitude of the trapezoid. Find the area of the trapezoid. Draw and cut many trapezoids in which the area is tobe found. Mark off trapezoids on the ground and find the numberof square feet in them. TENT Material: Heavy cardboard or oak tag. Size, twelveinches by twelve inches. Measure along the upper edge of the paper, beginningat the left, one and one-quarter inches; make a dot andmark it A. Repeat this at the lower edge. Connect thetwo dots. From each of these dots measure to the rightfour inches, and connect dots; mark B. From the endsof this line, measure two and one-half inches to the right,draw connecting lines, and cut on this line. The piececut away forms the floor. Hold the original drawing in the same position, andfrom the upper left corner measure down three-fourths ofan inch; draw a line to A. From the lower left corner dothe same. From the upper right corner measure down. h \ 4 DIAGRAM OF TENT APRIL—LANGUAGE 211 one and one-fourth inches; same at lower right C, D, E, F. From points A and B measure down five and three-fourths inches and draw a Hne across. Draw Hues fromthe ends of this Hne to points C, D, E, and F. Cut and fold the body of the tent. Then fold the floor. Outline of Number Lessons for April I The number 25. II Quick work. III Drill in abstract work. IV Science problems. 1 Water. 2 Weather chart. 3 Birds. V Lines. VI Time. VIIVIII Area-Tent. -trapezoid. LANGUAGE The children will feel like telling- about their work tofriends who are not here. They have been expressingthemsleves in simple statements, often telling a little storyor explaining an experiment. Now they must have a newway of expressing themselves in order to communicatewith friends far away. The regular letter will now begiven them, with headin
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