Name: 
 

Lesson 1.4: Estimating Square Roots



 1. 

Select the most reasonable estimate.
     mc001-1.jpg
a.
6.7
b.
7.7
c.
5.7
d.
6.1
 

 2. 

Select the most reasonable estimate.
     mc002-1.jpg
a.
8.1
b.
9.7
c.
8.5
d.
9.1
 

 3. 

Select the most reasonable estimate.
     mc003-1.jpg
a.
11.2
b.
12.1
c.
12.9
d.
11.7
 

 4. 

Select the most reasonable estimate.
     mc004-1.jpg
a.
16.1
b.
15.6
c.
17.3
d.
16.8
 

 5. 

Select the most reasonable estimate.
     mc005-1.jpg
a.
14.8
b.
13.5
c.
14.1
d.
15.2
 

 6. 

A square picture frame has an area of 1000 cm2. Select the most reasonable side length of the frame.
a.
35.7 cm
b.
31.6 cm
c.
32.5 cm
d.
30 cm
 

 7. 

A square lawn has an area of 500 m2. Select the most reasonable side length of the lawn.
a.
21.3 m
b.
23.8 m
c.
25 m
d.
22.4 m
 

 8. 

A square floor tile has an area of 300 cm2. Select the most reasonable side length of the tile.
a.
17.3 cm
b.
16.4 cm
c.
18.7 cm
d.
16 cm
 

 9. 

A square window with an area of 5000 cm2 is to be framed with wood trim. Select the approximate length of trim needed to frame the window.
a.
250 cm
b.
310 cm
c.
283 cm
d.
300 cm
 

 10. 

A square bulletin board with an area of 1500 cm2 is to be framed with a border. Select the  approximate length of the border needed to frame the bulletin board.
a.
145 cm
b.
165 cm
c.
175 cm
d.
155 cm
 



 
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