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Content Area: Math
Index: 4.2D Grade 3 CPI 2
Standard: 4.2 - Geometry and Measurement
Strand: D - Units of Measurement
Cumulative Progress Indicator: 2 - The student will select and use appropriate standard units of measure and measurement tools to solve real-life problems · Length – fractions of an inch (1/4, 1/2), mile, decimeter, kilometer · Area – square inch, square centimeter · Weight – ounce · Capacity – fluid ounce, cup, gallon, milliliter
Grade: 3
Sample Activities:
· Students estimate the height of a classmate in inches or centimeters by standing next to him or her and using their own known height for comparison.
· As standard units like yard and half-inch are introduced, students are challenged to find some part of their body or some personal action that is about that size at this point in their growth. For instance, they may decide that the width of their little finger is almost exactly one half-inch or the length of two giant steps is one yard.
· Students measure the width of their handspan in centimeters (from thumb tip to little finger tip with the hand spread as far as possible) and then use the knowledge of its width to estimate the metric measures of various classroom objects by counting the number of handspans across and multiplying by the number of centimeters.
Sample Assessment Question:
· Which is the best unit to describe the amount of water in a swimming pool? o A. cup o B. pint o C. quart o D. gallon
The correct answer is D.
Kidspiration Activity:
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