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Maths · Grade 4 · Set C
Line plots in eighths
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C
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Goal: 15 min
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Remember: A line plot puts one X over each measurement. Count the X marks to find how many, and add or take away the fractions of an inch to find how much.

Measure to a fraction of an inch

1
The dot marks the end of a vine that starts at 0. Each inch is cut into 8 equal parts. How long is the vine?
2 1/8 inches2 3/8 inches2 3/4 inches
2
The dot marks the end of a thread that starts at 0. Each inch is cut into 8 equal parts. Write the length as a fraction.
3
1/4 inch is the same length as 2/8 inch.
TrueFalse

Read the line plot

4
The chart shows the lengths of 11 leaves in inches. Each X is one leaf. How many leaves are 1/2 inch long?
5
How many leaves are shorter than 3/8 inch?
6
How much longer is the longest leaf than the shortest leaf? inch
7
The 3 leaves that are 1/4 inch long are laid end to end. How long is the line? inch
8
The 4 leaves that are 1/2 inch long are laid end to end. How long is the line?
4 1/2 inches2 inches1 1/2 inches
9
The 2 leaves that are 5/8 inch long are laid end to end. How long is the line?
1 1/4 inches7/8 inch10/16 inch

Compare and add lengths

10
How much longer is the 2 5/8 inch stick than the 2 1/8 inch stick? inch
11
Join each pair of lengths laid end to end to the length of the line.
  1. 13/8 + 2/8
  2. 21/2 + 1/2
  3. 33/4 + 3/4
  4. 45/8 + 5/8
  • A1 1/2
  • B1
  • C1 1/4
  • D5/8
12
Put the lengths in order from shortest to longest.
  • 1 3/8
  • 2/8 + 2/8
  • 1 1/8
  • 3/4
13
Write one question you can answer from the leaf chart. Then answer it.
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Answer key · Set C
Line plots in eighths
12 3/8 inches The dot is 3 steps past 2, and each step is 1/8 inch. So the vine is 2 and 3/8 inches.
27/8 The dot is 7 steps from 0 and each step is 1/8, so the thread is 7/8 inch long.
3True The dot for 1/4 is on the mark labelled 2/8. Two eighths and one fourth are the same length.
44 Count the X marks in the 1/2 row: there are 4.
55 Add the X marks above 3/8: 2 leaves of 1/8 inch and 3 leaves of 1/4 inch make 5.
64/8 The longest is 5/8 inch and the shortest is 1/8 inch. 5/8 − 1/8 = 4/8, which is also 1/2.
73/4 1/4 + 1/4 + 1/4 = 3/4 inch.
82 inches 1/2 + 1/2 + 1/2 + 1/2 = 4/2, which is 2 inches.
91 1/4 inches 5/8 + 5/8 = 10/8, and 10/8 is 1 and 2/8, which is 1 1/4 inches. Do not add the bottoms.
104/8 Both sticks are 2 and some eighths. 5 eighths take away 1 eighth is 4 eighths, which is also 1/2.
111-D, 2-B, 3-A, 4-C
124, 1, 3, 2 2/8 + 2/8 = 4/8, which is the shortest. Then 3/4 is 6/8, and 1 1/8 and 1 3/8 are over 1.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.