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The tank walls must be at least 1 foot tall, the floor area must be at least 400 square inches, and the tank volume must be smaller than 5000 cubic inches. 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Your teacher is letting the class vote to choose a goldfish, a turtle, or a hamster as the class pet.\u003Cbr>All 20 students in your class voted for both their 1st choice and their 2nd choice for the class pet. The results are shown in Table 1.\u003Cbr>Table 1. Class Pet Votes\u003Cbr>Student 1st Choice 2nd Choice Student 1st Choice 2nd Choice 1 Turtle Hamster 11 Turtle Hamster 2 Goldfish Hamster 12 Turtle Goldfish 3 Goldfish Turtle 13 Hamster Turtle 4 Hamster Turtle 14 Hamster Goldfish 5 Goldfish Turtle 15 Turtle Goldfish 6 Turtle Goldfish 16 Goldfish Turtle 7 Hamster Goldfish 17 Turtle Goldfish 8 Turtle Goldfish 18 Turtle Goldfish 9 Goldfish Hamster 19 Turtle Hamster 10 Goldfish Hamster 20 Goldfish Hamster |\n\nPAGE 1  Understanding  \nPr ficiency   \nGrade 6 / Item \\#5 MATH ✱ SMARTER BALANCED PERFORMANCE TASK  \nItem Prompt  \nYour principal surprises you by buying your class a turtle. He brings the turtle to your class along with a sheet from the pet store titled “Turtle Tank Rules”.  \nThe rules state:  \n• Tank walls must be at least 1 foot tall so the turtle can’t climb out.  \n• There must be at least 400 square inches of floor space for the turtle to walk around on.  \nYour teacher says the volume of the tank must be smaller than 5000 cubic inches so it doesn’t take up too much room in the classroom.  \nGive the dimensions of a tank that would work for your new turtle. Use words and numbers to explain how your tank satisfies the “Turtle Tank Rules” and your teacher’s requirement.  \nVolume of a rectangular prism = length x width x height  \nScoring Guide  \nSCORE  2 POINTS  1 POINT  0 POINTS   \nThe student gives dimensions that satisfy all three constraints (height, base area, and volume) and provides an explanation as to why the chosen dimensions meet all requirements.  \nThe student gives dimensions that satisfy all three constraints (height, base area, and volume), but does not provide an explanation as to why the chosen dimensions meet all requirements OR the student gives dimensions that satisfy two of the three constraints and providesan explanation that supports those dimensions.  \nStudent only gives dimensions to satisfy one of the constraints and does not provide any valid explanation.  \nPAGE 2  Understanding  \nPr ficiency   \nGrade 6 / Item \\#5 MATH ✱ SMARTER BALANCED PERFORMANCE TASK  \nSample Responses  \nStudent Sample A  \n2  \nPOINTS The dimensions that I used work because it is one foot tall, there is  \n416 space for the turtle to walk, and it is less than 5000 inches so it doesn’t take up too much space.  \nLength = 26 in long  \nWidth = 16 in  \nHeight = 12 in tall  \nSCORE RATIONALE  \nThis response provides three dimensions that satisfy the requirements. An explanation as to how these dimensions meet the height, base area, and volume constraints is also provided. This student’s response demonstrates a full and complete understanding of the modeling process and Claims 4D and 4B being assessed. Full credit.  \nStudent Sample B  \nP  \nSince the floor has to be at least 400 sqi I decided the width 40 and length 10. Which equals 400. Then I multiplied 400 by 12 and got 1800 square inches. Since 12in is equal to 1 ft the tank is big enough for the turtle and it can’t climb out. Also it is not too big for the classroom since 4800 in is under 5000 inches.  \nSCORE RATIONALE  \nThis response demonstrates a full and complete understanding of the essential mathematical content and practices essential to this task. The student provided three dimensions that meet the requirements, and provided a justification for these choices that clearly demonstrates how the chosen dimensions satisfy the tank rules. The incorrect product included in the explanation (1800 square inches) is extran","cbCaiqVSUsMr3m5F","https://ap.wps.com/l/cbCaiqVSUsMr3m5F","pdf",242291,"English","# Item Prompt\n## Turtle Tank Rules and Constraints\n# Scoring Guide\n## 2 Points Rubric Criteria\n## 1 Point Rubric Criteria\n## 0 Points Rubric Criteria\n# Sample Responses\n## Student Sample A\n## Student Sample B\n## Student Sample C\n## Student Sample D\n## Student Sample E\n## Student Sample F","[{\"question\":\"What are the three constraints for the turtle tank in Item #5?\",\"answer\":\"The tank walls must be at least 1 foot tall, the floor space must be at least 400 square inches, and the tank volume must be smaller than 5000 cubic inches.\"},{\"question\":\"What scoring requirement distinguishes 2-point responses from lower scores?\",\"answer\":\"2-point responses both provide dimensions that satisfy all three constraints and include an explanation showing how height, base area, and volume meet every requirement.\"},{\"question\":\"What formula is given to help students compute volume?\",\"answer\":\"Volume of a rectangular prism equals length x width x height.\"}]","Grade 6 / Item #5 Math - Smarter Balanced Performance Task - Scored Student Samples | PDF",1790988065,13]