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Identify square numbers
for 6th grade

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

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.

  1. Select the (only) square number from a grid of numbers
  2. Select the only pair of square numbers from a grid of 4 pairs of numbers
  3. 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
9
2 / 8
The only square number in the grid is 4
2
4
6
8
4
3 / 8
The only square number in the grid is 16
12
14
16
18
16
4 / 8
The only square number in the grid is 25
15
19
25
27
25
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

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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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