Name: 
 

Lesson 1.3: Square Roots of Perfect Squares



 1. 

The area of each shape is 576 square units. Which diagram illustrates the square root of 576?
a.

mc001-1.jpg
c.

mc001-3.jpg
b.

mc001-2.jpg
d.

mc001-4.jpg
 

 2. 

This factor rainbow shows the factors of 256.

mc002-1.jpg
Use this factor rainbow to determine mc002-2.jpg.
a.
64
b.
128
c.
8
d.
16
 

 3. 

This factor rainbow shows the factors of 324.

mc003-1.jpg

Use this factor rainbow to determine mc003-2.jpg.
a.
18
b.
108
c.
36
d.
4
 

 4. 

Select the correct answer for mc004-1.jpg.
a.
23
b.
33
c.
27
d.
39
 

 5. 

Select the correct answer for mc005-1.jpg.
a.
29
b.
39
c.
31
d.
21
 

 6. 

Select the correct answer for mc006-1.jpg.
a.
47
b.
2209
c.
94
d.
472
 

 7. 

Select the correct answer for mc007-1.jpg.
a.
522
b.
104
c.
2704
d.
52
 

 8. 

Select the correct answer for mc008-1.jpg.
a.
16
b.
36
c.
81
d.
6
 

 9. 

The area of a square garden is 196 m2. What is the length of one side of the garden?
a.
28 m
b.
98 m
c.
56 m
d.
14 m
 

 10. 

The square root of a perfect square is 20. What is the perfect square?
a.
400
b.
40
c.
200
d.
20
 



 
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