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Ruler Worksheets

Ruler Worksheets
  • Page 1
 1.  
Which of these is the closest estimate of the length of the leaf?

a.
7 cm
b.
9.5 cm
c.
7.5 cm
d.
8 cm


Solution:

Measuring the leaf, we see that its length is closest to 8 centimeters.


Correct answer : (4)
 2.  
Which of these is the closest estimate of the length of the flag?


a.
41 2 inches
b.
4 inches
c.
41 4 inches
d.
43 4 inches


Solution:

Measuring the flag, we see that its length is 4 full inches plus a fraction close to 1 / 4 inch.

So, the length of the flag is approximately equal to 41 / 4 inches.


Correct answer : (3)
 3.  
How long is the rectangle?

a.
41 2 cm
b.
4 cm
c.
31 2 cm
d.
3 cm


Solution:

Measuring the length of the rectangle, we see it is 3 full centimeters plus 5 small segments, which is 31 / 2 cm.


Correct answer : (3)
 4.  
How long is the rectangular strip shown in the figure?


a.
7.5 cm
b.
6 cm
c.
6.5 cm
d.
7 cm


Solution:

Measuring the length of the rectangle, we see it is full 7 centimeters.


Correct answer : (4)
 5.  
Find the length of the paper clip to the nearest centimeter.

a.
3 cm
b.
2 mm
c.
3 mm
d.
2 cm


Solution:

The length between 0 and 1 is divided into 10 equal parts.

Each part represents 1 / 10.

The length of the paper clip covers upto 30 parts.

The length of the paper clip to the nearest centimeter is 3 cm.
[Divide 30 by 10.]


Correct answer : (1)
 6.  
Find the length of the spoon to the nearest one-eighth inch.


a.
3 inches
b.
32 8 inches
c.
2 inches
d.
23 8 inches


Solution:

The length between 0 and 1 is divided into 8 equal parts.

Each part represents 1 / 8.

The length of the spoon covers upto 19 parts.

The length of the spoon to the nearest one-eighth inch is 23 / 8 inches.
[Divide 19 by 8.]


Correct answer : (4)
 7.  
Find the length of the paint brush to the nearest centimeter.


a.
78 cm
b.
7 mm
c.
7 cm
d.
78 mm


Solution:

The length between 0 and 1 is divided into 10 equal parts.

Each part represents 1 / 10.

The length of the painting brush covers upto 70 parts.

The length of the painting brush to the nearest centimeter is 7 cm.
[Divide 70 by 10.]


Correct answer : (3)
 8.  
How long is the pen in the figure?

a.
11 8inches
b.
43 4inches
c.
13 8inches
d.
1 inch


Solution:

The length between 0 and 1 is divided into 8 equal parts.

Each part represents 1 / 8.

The length of the pen covers upto 38 parts.

The length of the pen is about 43 / 4 inches.
[Divide 38 by 8.]


Correct answer : (2)
 9.  
How long is the knife in the figure?

a.
9 mm
b.
9.9 mm
c.
33 cm
d.
9 cm


Solution:

The length between 0 and 1 is divided into 10 equal parts.

Each part represents 1 / 10.

The length of the knife covers upto 90 parts.

The length of the knife is about 9 cm.
[Divide 90 by 10.]


Correct answer : (4)
 10.  
Which of these is the closest estimate of the length of the crayon?

a.
41 2 inches
b.
41 4 inches
c.
31 2 inches
d.
33 4 inches


Solution:

Measuring the crayon, we see that its length is 4 full inches plus a fraction close to 1 / 4 inch.

So, the length of the crayon is approximately equal to 41 / 4 inches.


Correct answer : (2)

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