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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
1.23 Word Problems On Square Roots - III

Example:
Find the least positive whole number that should be subtracted from 119 to make it a perfect square number.
Solution:
119 lies between the two perfect squares 102 and 112.
119 lies between the two perfect squares numbers 100 and 121.
119 - 100 = 19
Therefore the least positive whole number that should be subtracted from 119 to make it a perfect square is 19.
Solution: 19

Directions: Answer the following questions. Write five more examples of your own.
Q 1: What is the least positive whole number that should be subtracted from 530 to make it a perfect square number?
6
3
2
1

Q 2: What is the least positive whole number that should be subtracted from 1230 to make it a perfect square number?
5
2
1
3

Q 3: What is the least positive whole number that should be subtracted from 130 to make it a perfect square number?
5
6
10
9

Q 4: What is the least positive whole number that should be subtracted from 175 to make it a perfect square number?
5
3
6
4

Q 5: What is the least positive whole number that should be subtracted from 730 to make it a perfect square number?
3
6
9
1

Q 6: What is the least positive whole number that should be subtracted from 2410 to make it a perfect square number?
1
9
6
2

Q 7: What is the least positive whole number that should be subtracted from 230 to make it a perfect square number?
4
5
3
2

Q 8: What is the least positive whole number that should be subtracted from 3030 to make it a perfect square number?
6
3
5
2

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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