Grade 4 - Progress in Mathematics

Draw a line segment for each length.

4. 3 in. 5. 2
   
   1
   4
   in. 6.^1
   

1

2 
in. 7.^4 

3

4 
in.

8. 5
   
   1
   2
   in. 9.^3
   

3

4 
in. 10.^6 

1

4 
in. 11. 4 in.

Estimate the length of each to the nearest inch.

Then measure each line to check your estimates.

12.

13.

14.

15.

16.

Use an inch ruler to measure objects.

17. Measure the length and width of some of the objects in your classroom.
    Record each measurement. Discuss your results with your class.

Draw a line segment for each length. Label each line segment.

20. 2
    
    1
    4
    in., 2 in., 2
    

3

4 
in., 2

1

2 
in.

21. Order the labeled line segments from longest to shortest.


22. Could you use the ruler at the
    right to measure the line in
    exercise 14? How?


23. What is the length of the red line
    in the figure at the right?

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