Dot plots and histograms
Grade 6 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.
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Data (practice minutes): 10, 15, 20, 20, 22, 25, 25, 27, 30, 20, 35, 25, 21, 24, 40. The bars to draw: 10 up to 15, 15 up to 20, 20 up to 25, 25 up to 30, 30 up to 35, 35 up to 40, 40 up to 45. A value on a line goes in the bar that starts there. A bar's height is how many values it holds.
Ari plays in a band. Fifteen band members logged minutes of practice (the tuba logged mostly sighs). The bars are 5 minutes wide. How tall is the bar for 20 up to 25?
Sixteen kids timed a puzzle in seconds, and Esme sorted the times (one piece hid under the couch). The bars are 10 seconds wide. How tall is the bar for 70 up to 80?
Data (puzzle times in seconds): 60, 75, 80, 65, 90, 75, 70, 60, 85, 75, 100, 80, 95, 65, 105, 70. The bars to draw: 60 up to 70, 70 up to 80, 80 up to 90, 90 up to 100, 100 up to 110. A value on a line goes in the bar that starts there. A bar’s height is how many values it holds. Data (puzzle times in seconds): 60, 75, 80, 65, 90, 75, 70, 60, 85, 75, 100, 80, 95, 65, 105, 70. The bars to draw: 60 up to 70, 70 up to 80, 80 up to 90, 90 up to 100, 100 up to 110. A value on a line goes in the bar that starts there. A bar’s height is how many values it holds. Data (puzzle times in seconds) 0 1 2 3 4 5 4 60 up to 70 5 70 up to 80 3 80 up to 90 2 90 up to 100 2 100 up to 110 seconds how many values it holds 60, 75, 80, 65, 90, 75, 70, 60, 85, 75, 100, 80, 95, 65, 105, 70. A value on a line goes in the bar that starts there. A bar's height is how many values it holds. Use this
A value on a line goes in the bar that starts there. A bar's height is how many values it holds.
Jun tracked fifteen bike rides, grouped by length in miles (the bell rang at every hill). The bars are 5 miles wide. How tall is the bar for 10 up to 15?
Data (bike ride lengths in miles): 5, 8, 10, 10, 12, 15, 9, 14, 10, 6, 18, 13, 10, 16, 17. The bars to draw: 5 up to 10, 10 up to 15, 15 up to 20. A value on a line goes in the bar that starts there. A bar’s height is how many values it holds. Data (bike ride lengths in miles): 5, 8, 10, 10, 12, 15, 9, 14, 10, 6, 18, 13, 10, 16, 17. The bars to draw: 5 up to 10, 10 up to 15, 15 up to 20. A value on a line goes in the bar that starts there. A bar’s height is how many values it holds. Data (bike ride lengths in miles): 5, 8, 10, 10, 12, 15, 9, 14, 10, 6, 18, 13, 10, 16, 17 number of values bike ride lengths in miles 5 up to 10 10 up to 15 15 up to 20 The bars to draw: Milo graphed the minutes students read last night. The graph shows 21 students in all, but a napping cat covers one bar. How tall is the covered bar?
Histogram: minutes read last night. Horizontal axis: minutes read, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of students, a tick at every 1. Bar heights: 10 up to 20: 2; 20 up to 30: 5; 30 up to 40: covered; 40 up to 50: 4; 50 up to 60: 1. Histogram: minutes read last night. Horizontal axis: minutes read, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of students, a tick at every 1. Bar heights: 10 up to 20: 2; 20 up to 30: 5; 30 up to 40: covered; 40 up to 50: 4; 50 up to 60: 1. Histogram: minutes read last night 0 1 2 3 4 5 6 2 10 up to 20 5 20 up to 30 covered 30 up to 40 4 40 up to 50 1 50 up to 60 minutes read, in bars 10 wide. A value on a line goes in the bar that starts there. number of students Kids counted how many times they could jump rope without a miss, and Noah drew the graph. It shows 20 kids in all, but one bar is covered. How tall is the covered bar?
Histogram: jumps without a miss. Horizontal axis: jumps, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of kids, a tick at every 1. Bar heights: 0 up to 10: 4; 10 up to 20: 7; 20 up to 30: 3; 30 up to 40: covered. Histogram: jumps without a miss. Horizontal axis: jumps, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of kids, a tick at every 1. Bar heights: 0 up to 10: 4; 10 up to 20: 7; 20 up to 30: 3; 30 up to 40: covered. Histogram: jumps without a miss 0 1 2 3 4 5 6 7 8 4 0 up to 10 7 10 up to 20 3 20 up to 30 ? 30 up to 40 jumps, in bars 10 wide number of kids A value on a line goes in the bar that starts there. Students tracked how long they studied last night, and Pia reads the histogram. How many students studied 30 minutes or more?
Histogram: study minutes. Horizontal axis: minutes studied, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of students, a tick at every 1. Bar heights: 0 up to 10: 2; 10 up to 20: 4; 20 up to 30: 7; 30 up to 40: 5; 40 up to 50: 2; 50 up to 60: 1. Histogram: study minutes. Horizontal axis: minutes studied, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of students, a tick at every 1. Bar heights: 0 up to 10: 2; 10 up to 20: 4; 20 up to 30: 7; 30 up to 40: 5; 40 up to 50: 2; 50 up to 60: 1. 0 1 2 3 4 5 6 7 2 0 up to 10 4 10 up to 20 7 20 up to 30 5 30 up to 40 2 40 up to 50 1 50 up to 60 minutes studied number of students Bars are 10 minutes wide. A value on a line goes in the bar that starts there. Ren helps a librarian group the books on a cart by number of pages (the cart squeaks). How many books have 60 pages or more?
Histogram: pages in each book. Horizontal axis: pages, in bars 20 wide. A value on a line goes in the bar that starts there. Vertical axis: number of books, a tick at every 1. Bar heights: 20 up to 40: 2; 40 up to 60: 5; 60 up to 80: 7; 80 up to 100: 4; 100 up to 120: 1. Histogram: pages in each book. Horizontal axis: pages, in bars 20 wide. A value on a line goes in the bar that starts there. Vertical axis: number of books, a tick at every 1. Bar heights: 20 up to 40: 2; 40 up to 60: 5; 60 up to 80: 7; 80 up to 100: 4; 100 up to 120: 1. Histogram: pages in each book. Horizontal axis: pages, in bars 20 wide. A value on a line goes in the bar that starts there. 0 1 2 3 4 5 6 7 2 20 up to 40 5 40 up to 60 7 60 up to 80 4 80 up to 100 1 100 up to 120 pages number of books A teacher grouped the quiz scores of a class, and Zee reads the histogram. How many students scored 80 points or more?
Histogram: quiz points. Horizontal axis: quiz points, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of students, a tick at every 1. Bar heights: 50 up to 60: 1; 60 up to 70: 4; 70 up to 80: 6; 80 up to 90: 5; 90 up to 100: 3. Histogram: quiz points. Horizontal axis: quiz points, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of students, a tick at every 1. Bar heights: 50 up to 60: 1; 60 up to 70: 4; 70 up to 80: 6; 80 up to 90: 5; 90 up to 100: 3. 0 1 2 3 4 5 6 1 50 up to 60 4 60 up to 70 6 70 up to 80 5 80 up to 90 3 90 up to 100 quiz points, in bars 10 wide number of students Students logged the minutes they spent riding a bike yesterday, and Ari added up the bars (helmet hair was reported). How many students are in the data set?
Histogram: minutes riding a bike yesterday. Horizontal axis: minutes riding, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of students, a tick at every 1. Bar heights: 0 up to 10: 2; 10 up to 20: 5; 20 up to 30: 8; 30 up to 40: 7; 40 up to 50: 4; 50 up to 60: 1. Histogram: minutes riding a bike yesterday. Horizontal axis: minutes riding, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of students, a tick at every 1. Bar heights: 0 up to 10: 2; 10 up to 20: 5; 20 up to 30: 8; 30 up to 40: 7; 40 up to 50: 4; 50 up to 60: 1. 0 1 2 3 4 5 6 7 8 2 0 up to 10 5 10 up to 20 8 20 up to 30 7 30 up to 40 4 40 up to 50 1 50 up to 60 minutes riding number of students A gym class timed one lap around the gym in seconds, and Bo reads the histogram (the sneakers squeaked). How many students are in the data set?
Histogram: seconds to run. Horizontal axis: seconds, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of students, a tick at every 1. Bar heights: 10 up to 20: 3; 20 up to 30: 6; 30 up to 40: 9; 40 up to 50: 8; 50 up to 60: 5; 60 up to 70: 2; 70 up to 80: 1. Histogram: seconds to run. Horizontal axis: seconds, in bars 10 wide. A value on a line goes in the bar that starts there. Vertical axis: number of students, a tick at every 1. Bar heights: 10 up to 20: 3; 20 up to 30: 6; 30 up to 40: 9; 40 up to 50: 8; 50 up to 60: 5; 60 up to 70: 2; 70 up to 80: 1. Histogram: seconds to run 0 1 2 3 4 5 6 7 8 9 3 10 up to 20 6 20 up to 30 9 30 up to 40 8 40 up to 50 5 50 up to 60 2 60 up to 70 1 70 up to 80 seconds number of students bars 10 wide; a value on a line goes in the bar that starts there