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Name Measurement and Data 3.MD.4, 3.OA.3 Lesson 7 Collect and Display Measurement Data Homework Helper eHelp Need help? connectED.mcgraw-hill.com Mrs. Carnes measured her students at the beginning of the school year and then again half way through the year. She recorded their growth in a tally chart. What is the most frequent measurement of growth of Mrs. Carnes’ students? Use a line plot to display the data. Students’ Growth in Third Grade Measurement 1 in. 4 2 in. 4 3 in. 4 4 in. 4 1 1 in. 4 2 1 in. 4 Students’ Growth in Third Grade (inches) 0 1 4 2 4 3 4 4 4 1 14 Tally 2 14 The most frequent measurement of growth is _ of an inch, 4 or 1 inch. 4 Practice 1. Tell why, in the line plot above, there are no Xs above _ of 4 an inch. 3 Copyright © The McGraw-Hill Companies, Inc. Sample answer: There were no tallies in the tally chart for that length. 2. Did more of Mrs. Carnes’ students grow an inch or more or less than an inch? Explain. _ An inch or more; Sample answer: 4 of an inch is one inch so 7 of 4 the 12 students grew an inch or more. Lesson 7 My Homework733 3. Ribbon can be bought in many different widths. The tally chart shows how many spools of each width of ribbon can be bought. Represent the measurement data in a line plot. Ribbon Widths (inches) 0 1 4 2 4 3 4 4 4 1 2 14 14 Ribbon Widths Width Tally 1 in. 4 2 in. 4 3 in. 4 4 in. 4 1 1 in. 4 2 1 in. 4 Problem Solving 4. 2 Use Number Sense Which two widths, of different length, when put together will equal _ of an inch or 4 1 whole inch? 4 _1 inch and _3 inch 4 4 5. Which two widths, of different length, when put together will 1 equal 1_ inches? Explain. _ 4 _ _ Sample answer: 4 inch and 1 inch; 4 inch is the same as 1 inch. 4 1 6. 4 4 Make Sense of Problems Which has a greater combined width, two spools of ribbon that are each 2 4 _ inch in width, or one spool that is _ inch in width? Explain. 2 +_ 2 4 4 _ They are equal in width. equal _ , or 1 inch. 4 4 4 Test Practice 7. How many spools of ribbon are represented in the line plot for Exercise 3? A 1_ spools C 15 spools B 14 spools D 16 spools 2 4 734Need more practice? Download Extra Practice at connectED.mcgraw-hill.com Copyright © The McGraw-Hill Companies, Inc. 4