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  3. Math: Middle School: Grades 6, 7 and 8
  4. Square Roots Part 2 - Imperfect Roots
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Square Roots Part 2 - Imperfect Roots

Do you know the square root of 25? Find out in this quiz!

Square Roots Part 2 - Imperfect Roots

This Math quiz is called 'Square Roots Part 2 - Imperfect Roots' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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Square roots are either “perfect” meaning the whole number has a squared number that, when multiplied by itself will equal the number, i.e., 9 is a perfect number because 3 x 3 = 9, or they are “imperfect” which means there is no number when multiplied by itself will equal the square root.

1 .
√21
4.13
4.27
4.58
4.76
21 is an imperfect square root so using a square root calculator we find that the number 4.5825757 x 4.5825757 = 21. We then shorten that to 4.58. Answer (c) shows the correct squared number
2 .
√25
4
5
6
3
5 x 5 = 25
It can also be written as 52 = 25. Answer (b) shows the correct squared number
3 .
√121
11
13
12
17
11 x 11 = 121
It can also be written as 112 = 121. Answer (a) shows the correct squared number
4 .
√43
6.35
6.55
6.16
6.37
43 is an imperfect square root so using a square root calculator we find that the number 6.5574385 x 6.5574385 = 43. We then shorten that to 6.55. Answer (b) shows the correct squared number
5 .
√27
4.59
4.67
4.83
5.19
27 is an imperfect square root so using a square root calculator we find that the number 5.1961524 x 5.1961524 = 27. We then shorten that to 5.19. Answer (d) shows the correct squared number
6 .
√33
5.74
5.84
5.88
5.98
33 is an imperfect square root so using a square root calculator we find that the number 5.7445626 x 5.7445626 = 33. We then shorten that to 5.74. Answer (a) shows the correct squared number
7 .
√11
3.13
3.31
3.5
3.53
11 is an imperfect square root so using a square root calculator we find that the number 3.3166248 x 3.3166248 = 11. We then shorten that to 3.31. Answer (b) shows the correct squared number
8 .
√105
9.87
10.12
10.24
10.41
105 is an imperfect square root so using a square root calculator we find that the number 10.2469508 x 10.2469508 = 105. We then shorten that to 10.24. Answer (c) shows the correct squared number
9 .
√14
7
3.2
3.5
3.74
14 is an imperfect square root so using a square root calculator we find that the number 3.7416574 x 3.7416574 = 14. We then shorten that to 3.74. Answer (d) shows the correct squared number
10 .
√64
8
16
32
14
8 x 8 = 64
It can also be written as 82 = 64. Answer (a) shows the correct squared number
Author:  Christine G. Broome
Math: Middle School: Grades 6, 7 and 8 Play this quiz again

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