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0, 1, 4, 9,
16, 25, 36

Identify square numbers
for 6th grade

Identify the square numbers in each of the given groups of integers

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Identify square numbers

What are square numbers?

A square number is a number that is produced by multiplying an integer by itself. Examples of square numbers include 4, 9, 16, 25, etc. The smallest square number is 0 since 0 x 0 = 0. The number 1 is also a square number since 1 x 1 = 1.

How to identify square numbers

The easiest way to know if an integer is a square number is to use the square root function on your calculator... If the answer is an integer, then the input is a square number. Interestingly, square numbers always end in the digits 0, 1, 4, 5, 6 or 9. Square numbers are always positive since multiplying two negative numbers together always gives a positive answer.

The square numbers to 225 (15²)

0 = 0 x 0
1 = 1 x 1
4 = 2 x 2
9 = 3 x 3
16 = 4 x 4
25 = 5 x 5
36 = 6 x 6
49 = 7 x 7
64 = 8 x 8
81 = 9 x 9
100 = 10 x 10
121 = 11 x 11
144 = 12 x 12
169 = 13 x 13
196 = 14 x 14
225 = 15 x 15

Types of question in this topic

This topic asks 3 different types of question.

Select the (only) square number from a grid of numbers
Select the only pair of square numbers from a grid of 4 pairs of numbers
Count how many square numbers there are in a grid of numbers

Below is a table showing the first 8 question answer pairs for the topic "Identify square numbers" as used in the lessons for this topic. Our games and tests for the topic use these 8 items plus 8 additional question answer pairs.

The topic "Identify square numbers" is in the category Number for 6th grade (ages 11 to 12).

1 / 8

The only square number in the grid is 9

10	9
8	7

2 / 8

The only square number in the grid is 4

2	4
6	8

3 / 8

The only square number in the grid is 16

12	14
16	18

4 / 8

The only square number in the grid is 25

15	19
25	27

5 / 8

The only pair of square numbers in the grid are 4, 16

1, 2	4, 16
5, 24	11, 30

4, 16

6 / 8

The only pair of square numbers in the grid are 36, 64

31, 33	19, 21
36, 64	42, 43

36, 64

7 / 8

The only pair of square numbers in the grid are 9, 49

5, 9	11, 15
4, 5	9, 49

9, 49

8 / 8

The only pair of square numbers in the grid are 1, 25

17, 24	41, 43
1, 25	56, 60

1, 25

Revise 'Identify square numbers' with one of our games for 6th grade

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Each of our math topics for secondary are made up of between 6 and 20 question and answer pairs (both the written form and a robot voice speaking those questions and answers). Each topic can be used with all the activities on the site.

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