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Lessons for Grade 2Overview of LessonStudents observe the pattern when adding and subtracting 10 or 100 and use the pattern to mentally add and subtract 10 and 100.
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by Susan Westfried Math Coach PS 193 Queens, New York
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Lessons for Grade 2Overview of LessonStudents measure a variety of small objects to the nearest whole unit. The students record their data using a line plot for the measurements.
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Lessons for Grade 1Overview of LessonStudents solve word problems using diagrams, variables, and equations. The problems involve linear measurements: feet, inches, centimeters, and miles.
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Lessons for Grade 2Overview of LessonStudents will add and subtract using a number line. Students will also draw their own number lines—making equal intervals and labeling the tick marks.
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Lessons for Grade 2Overview of LessonStudents use ten-frames and hundred-frames to understand the meaning of zeros in multiples of 10 and 100. They learn that 200 is 2 hundreds plus 0 tens plus 0 ones using the visual model of the hundred-frame. Then they write three-digit numbers in expanded form using the same visual model.
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