Square and Square Roots Worksheet 3
1.
a) 13 b) 23
c) 15 d) 37
2. Find √ 23.2324 is _____.
a) 3.89 b) 4.032
c) 4.82 d) 2.35
3.
a) 5⁄4 b) 9⁄4
c) 3⁄4 d) 4⁄9
4. Given that √ 1,444 = 38, then find the value of √ 0.1444 + √ 14.44 is _____.
a) 41.8 b) 0.418
c) 4.18 d) 39.8
5. Find the smallest number by which 243 should be multiplied to make it perfect square.
a) 2 b) 3
c) 5 d) 7
6. Find the square root of 6, correct to 2 decimal places and find the value of
a) 2.70 b) 3.44
c) 2.75 d) 1.70
7. Find the square root of 65,536 by division method.
a) 256 b) 526
c) 324 d) 226
8. Find the square root of 4.084441 by long division method.
a) 2.841 b) 2.021
c) 2.181 d) 2.048
9. Find the square root of 2025 by prime factorisation method.
a) 35 b) 65
c) 105 d) 45
10. Find the value of square root of 69.7225 by long division method.
a) 8.45 b) 8.65
c) 8.35 d) 8.95
11. Find the greatest number of five digits which is a perfect square.
a) 98,854 b) 99,856
c) 99,567 d) 99,756
12. A boy walks 15m south from his house and turns east to walk 36 m to reach his friend’s house. Then he returns diagonally from his friend's house to reach back to his house. So, find out the distance did he walk while returning.
a) 39m b) 43m
c) 42m d) 38m
13. Find the smallest six-digit number which is a perfect square.
a) 10489 b) 100894
c) 100489 d) 99849
14. Find the smallest number which must be added to 206452 to make it a perfect square.
a) 573 b) 454
c) 455 d) 200725
15. Find the least number which must be subtracted from 16265 to make it perfect square. And find the square root of that resulting number.
a) 136, 127 b) 132, 16129
c) 1327, 136 d) 16129,127
16. Evaluate √ 49284 and hence calculate the value of √ 492.84 + √ 4.9284 .
a) 2.442 b) 24.42
c) 24.24 d) 244.2
17. Simplify.
a) 6.6 b) 0.66
c) 6.06 d) 0.066
18. Find the square root of
a) 52⁄11 b) 53⁄11
c) 54⁄11 d) 51⁄121
19. The area of a square park is 2476⁄225 metres. Find the length of each side of the field.
a) 42⁄15 m b) 413⁄15 m
c) 311⁄15 m d) 414⁄15 m
20. A farmer has 1200 wheat plants. He wants to plant these in such a way that the number of rows and number of columns remains same. Find the minimum number of plants, he needs more for this.
a) 25 b) 30
c) 44 d) 32
If you want to download the above worksheet, please click below link.
Square and Square Roots Worksheet-3Download the pdf
Square and Square Roots Worksheet - 1
Square and Square Roots Worksheet - 2
Square and Square Roots Worksheet - 3
Answer Sheet
Square-And-Squareroot-AnswerDownload the pdf
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