0, 1, 4, 9,

16, 25, 36

16, 25, 36

for 6th grade

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

Home / 6th grade / Number / Powers & Roots / Identify 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.

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.

- 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

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 |

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

Home / 6th grade / Number / Powers & Roots / Identify square numbers

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