Let's solve each of these square root division problems step by step. The key rule we use is:
$$
\frac{\sqrt{a}}{\sqrt{b}} = \sqrt{\frac{a}{b}}
$$
We can simplify the fraction under the square root and then simplify the square root if possible.
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Left Column:
1. $\sqrt{125} \div \sqrt{5} = \sqrt{\frac{125}{5}} = \sqrt{25} = 5$
2. $\sqrt{48} \div \sqrt{12} = \sqrt{\frac{48}{12}} = \sqrt{4} = 2$
3. $\sqrt{2} \div \sqrt{8} = \sqrt{\frac{2}{8}} = \sqrt{\frac{1}{4}} = \frac{1}{2}$
4. $\sqrt{8} \div \sqrt{2} = \sqrt{\frac{8}{2}} = \sqrt{4} = 2$
5. $\sqrt{72} \div \sqrt{2} = \sqrt{\frac{72}{2}} = \sqrt{36} = 6$
6. $\sqrt{80} \div \sqrt{5} = \sqrt{\frac{80}{5}} = \sqrt{16} = 4$
7. $\sqrt{108} \div \sqrt{3} = \sqrt{\frac{108}{3}} = \sqrt{36} = 6$
8. $\sqrt{50} \div \sqrt{2} = \sqrt{\frac{50}{2}} = \sqrt{25} = 5$
9. $\sqrt{25} \div \sqrt{400} = \sqrt{\frac{25}{400}} = \sqrt{\frac{1}{16}} = \frac{1}{4}$
10. $\sqrt{72} \div \sqrt{8} = \sqrt{\frac{72}{8}} = \sqrt{9} = 3$
11. $\sqrt{196} \div \sqrt{4} = \sqrt{\frac{196}{4}} = \sqrt{49} = 7$
12. $\sqrt{90} \div \sqrt{10} = \sqrt{\frac{90}{10}} = \sqrt{9} = 3$
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Right Column:
13. $\sqrt{15} \div \sqrt{375} = \sqrt{\frac{15}{375}} = \sqrt{\frac{1}{25}} = \frac{1}{5}$
14. $\sqrt{99} \div \sqrt{11} = \sqrt{\frac{99}{11}} = \sqrt{9} = 3$
15. $\sqrt{245} \div \sqrt{5} = \sqrt{\frac{245}{5}} = \sqrt{49} = 7$
16. $\sqrt{13} \div \sqrt{52} = \sqrt{\frac{13}{52}} = \sqrt{\frac{1}{4}} = \frac{1}{2}$
17. $\sqrt{15} \div \sqrt{60} = \sqrt{\frac{15}{60}} = \sqrt{\frac{1}{4}} = \frac{1}{2}$
18. $\sqrt{432} \div \sqrt{3} = \sqrt{\frac{432}{3}} = \sqrt{144} = 12$
19. $\sqrt{640} \div \sqrt{40} = \sqrt{\frac{640}{40}} = \sqrt{16} = 4$
20. $\sqrt{50} \div \sqrt{200} = \sqrt{\frac{50}{200}} = \sqrt{\frac{1}{4}} = \frac{1}{2}$
21. $\sqrt{128} \div \sqrt{8} = \sqrt{\frac{128}{8}} = \sqrt{16} = 4$
22. $\sqrt{288} \div \sqrt{32} = \sqrt{\frac{288}{32}} = \sqrt{9} = 3$
23. $\sqrt{200} \div \sqrt{8} = \sqrt{\frac{200}{8}} = \sqrt{25} = 5$
24. $\sqrt{8} \div \sqrt{32} = \sqrt{\frac{8}{32}} = \sqrt{\frac{1}{4}} = \frac{1}{2}$
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✔ Final Answers (in order):
Left Column:
1. $5$
2. $2$
3. $\frac{1}{2}$
4. $2$
5. $6$
6. $4$
7. $6$
8. $5$
9. $\frac{1}{4}$
10. $3$
11. $7$
12. $3$
Right Column:
13. $\frac{1}{5}$
14. $3$
15. $7$
16. $\frac{1}{2}$
17. $\frac{1}{2}$
18. $12$
19. $4$
20. $\frac{1}{2}$
21. $4$
22. $3$
23. $5$
24. $\frac{1}{2}$
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✔ Summary:
All answers are simplified radicals or rational numbers. The pattern is consistent: divide the numbers inside the square roots first, then simplify the resulting square root.
Let me know if you'd like this in a printable format!
Parent Tip: Review the logic above to help your child master the concept of multiplying roots worksheet.