Describe the procedure that can be used to teach students to read units to the nearest quarter-inch on a ruler

What will be an ideal response?


A simple model-test procedure can be used to teach students to read units to the nearest half-inch. The teacher points out that since the line between the numerals divides the inch into two equal parts, each line represents a half-inch. The same procedure is used to introduce rulers divided into fourths. The teacher points out that since there are four parts between each inch, each inch is divided into fourths. The teacher then models and tests, reading the ruler starting at the ¼-inch mark: and so on. Note that the teacher would not have the students read as ½ at this time to emphasize that ¼-inch is the unit of measurement. The teacher then presents an exercise in which she points to a line on the ruler and has students identify the measurement.

Education

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