Name: 
 

Lesson 1.1: Representing Square Numbers



 1. 

Which set of circles can be arranged into a square?
a.

mc001-1.jpg
c.

mc001-3.jpg
b.

mc001-2.jpg
d.

mc001-4.jpg
 

 2. 

Which set of circles can be arranged into a triangle?
a.

mc002-1.jpg
c.

mc002-3.jpg
b.

mc002-2.jpg
d.

mc002-4.jpg
 

 3. 

Which number is a square number?
a.
42
b.
49
c.
54
d.
56
 

 4. 

Which number is a square number?
a.
32
b.
40
c.
36
d.
33
 

 5. 

Which number is a triangular number?
a.
28
b.
27
c.
25
d.
30
 

 6. 

Which number is a triangular number?
a.
40
b.
42
c.
45
d.
48
 

 7. 

Which number is both a square number and a triangular number?
a.
25
b.
36
c.
42
d.
45
 

 8. 

Select the two triangular numbers that make up a square number.
a.
15 and 28
b.
10 and 21
c.
15 and 36
d.
21 and 28
 

 9. 

Select the square number that is formed by the triangular numbers 36 and 45.
a.
121
b.
49
c.
81
d.
100
 

 10. 

Select the two triangular numbers that make up a square number.
a.
45 and 55
b.
10 and 36
c.
45 and 28
d.
55 and 21
 



 
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