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Maths · Grade 4 · Set A
Making a line plot
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Goal: 15 min
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Remember: A line plot puts one X over each measurement. Read lengths by counting the equal parts past the whole inch, then add or take away like counting.

Measure to a fraction of an inch

1
How long is the crayon? Write the fraction of an inch.
2
How long is the craft stick?
3 1/2 inches3 inches4 inches
3
The dot marks the end of a paper strip that starts at 0. Each inch is cut into 4 equal parts. How long is the strip?
1 1/2 inches2 1/4 inches1 3/4 inches
4
The dot marks the end of a ribbon that starts at 0. Each inch is cut into 8 equal parts. How long is the ribbon?
1 1/4 inches1 1/8 inches1 3/8 inches

Read the line plot

5
The chart shows the lengths of 7 crayons in inches. Each X is one crayon. How many crayons are 1/2 inch long?
6
How many crayons are shorter than 3/4 inch?
7
How much longer is the longest crayon than the shortest crayon? Write the number of inches.
8
The 2 crayons that are 3/4 inch long are laid end to end. How long is the line?
3/4 inch1 3/4 inches1 1/2 inches

Compare lengths

9
How much longer is the 1 1/2 inch stick than the 1 1/4 inch stick? inch
10
Join each length in words to its number.
  1. 1one and one fourth
  2. 2three fourths
  3. 3two and one half
  4. 4one and one eighth
  • A3/4
  • B2 1/2
  • C1 1/8
  • D1 1/4
11
Put the lengths in order from shortest to longest.
  • 1 1/8
  • 1 1/2
  • 3/4
  • 1 1/4
12
A new crayon is 1 inch long. Draw the X where it goes on the chart. Write how the chart changes.
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Answer key · Set A
Making a line plot
11/2 The crayon stops at the half-inch mark, so it is 1/2 inch long.
23 1/2 inches The craft stick passes 3 and stops at the half mark before 4. That is 3 and a half inches.
31 3/4 inches The dot is past 1. Count the fourths past 1: 1, 2, 3. So it is 1 and 3 fourths inches.
41 1/8 inches The dot is 1 step past 1, and each step is 1/8 inch. So the ribbon is 1 and 1/8 inches.
53 Count the X marks in the 1/2 row: there are 3.
64 Add the X marks above 3/4: 1 crayon of 1/4 inch and 3 crayons of 1/2 inch make 4.
71 The longest is 1 1/4 inches and the shortest is 1/4 inch. 1 1/4 − 1/4 = 1 inch.
81 1/2 inches 3/4 + 3/4 = 6/4, and 6/4 is 1 and 2/4, which is 1 1/2 inches.
91/4 1 1/2 is 1 2/4. 2 fourths take away 1 fourth is 1 fourth.
101-D, 2-A, 3-B, 4-C
112, 4, 1, 3 3/4 is less than 1. Then 1 1/8, 1 1/4 (which is 1 2/8) and 1 1/2 (which is 1 4/8) get longer.
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