Grade 3 students explore half-inch line plots in this sheet by measuring pencil lengths to the nearest half inch on a scale of 4, 4.5, 5, 5.5, and 6 inches. Activities include counting X marks above each half-inch tick, finding the mode of pencil lengths, and comparing how many more pencils fall at one length than another. Sentence correction problems clarify that 4 1/2 inches plots above 4.5, building confidence with half-unit Grade 3 measurement data.
Style:
Line Plots
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
On a Grade 3 half-inch line plot, the scale jumps by whole inches only.
Rewrite: On a Grade 3 half-inch line plot, the scale jumps by half inches.
2. Fix the sentence:
A pencil that is 4 and one half inches sits above 4 on a Grade 3 line plot.
Rewrite: A pencil that is 4 and one half inches sits above 4.5 on a Grade 3 line plot.
3. Fix the sentence:
On a Grade 3 line plot, two pencils of the same length get one X mark together.
Rewrite: On a Grade 3 line plot, two pencils of the same length get two X marks stacked.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. On a Grade 3 line plot of pencil lengths, 3 pencils are 4.5 inches, so there are 3 X marks above 4.5.
2. A Grade 3 line plot shows pencils: 4, 4.5, 4.5, 5, 5, 5, 5.5, 6. The total number of pencils is 8.
3. On a Grade 3 half-inch line plot, the lengths 5, 5, 5, 5 mean the mode is 5 inches.
4. On a Grade 3 line plot, 2 pencils are 4 inches and 4 pencils are 4.5 inches. There are 2 more pencils at 4.5 inches.
Part C: True or False?
Read each statement. Circle True or False.
1. On a Grade 3 half-inch line plot, the scale can include 4, 4.5, 5, 5.5, and 6.
True False
2. On a Grade 3 line plot, a 5.5 inch pencil should be marked above 5.
True False
3. Each pencil measured to the nearest half inch gets its own X mark on a Grade 3 line plot.
True False
Line Plots
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
On a Grade 3 half-inch line plot, the scale jumps by whole inches only.
Rewrite: On a Grade 3 half-inch line plot, the scale jumps by half inches.
2) Fix the sentence:
A pencil that is 4 and one half inches sits above 4 on a Grade 3 line plot.
Rewrite: A pencil that is 4 and one half inches sits above 4.5 on a Grade 3 line plot.
3) Fix the sentence:
On a Grade 3 line plot, two pencils of the same length get one X mark together.
Rewrite: On a Grade 3 line plot, two pencils of the same length get two X marks stacked.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) On a Grade 3 line plot of pencil lengths, 3 pencils are 4.5 inches, so there are 3 X marks above 4.5.
2) A Grade 3 line plot shows pencils: 4, 4.5, 4.5, 5, 5, 5, 5.5, 6. The total number of pencils is 8.
3) On a Grade 3 half-inch line plot, the lengths 5, 5, 5, 5 mean the mode is 5 inches.
4) On a Grade 3 line plot, 2 pencils are 4 inches and 4 pencils are 4.5 inches. There are 2 more pencils at 4.5 inches.
★ Part C: True or False?
Read each statement. Circle True or False.
1) On a Grade 3 half-inch line plot, the scale can include 4, 4.5, 5, 5.5, and 6.
True
False
2) On a Grade 3 line plot, a 5.5 inch pencil should be marked above 5.
True
False
3) Each pencil measured to the nearest half inch gets its own X mark on a Grade 3 line plot.
True
False
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