Page 62 - Math Course 2 (Book 1)

Squares and Square Roots

Estimate Square Roots Real World Example
152
Estimate – to the nearest whole number. SKYSCRAPER
A skyscraper stands 378 feet high. On a clear day,
A. 12 about how far could an individual standing on the
B. –11 roof of the skyscraper see? Round to the nearest
C. –12 tenth.
D. –13
A. 23.2 miles
Answer B. 23.3 miles
C. 23.7 miles
D. 24.4 miles

Answer

Skill Practice!

Find each square root, if possible.
1. 1 2. 9 3. 25 4. 49

5. 64 6. 169 7.– 36 8. –81

Use a calculator to f nd each square root to the nearest tenth.

9. 31 10. 40 11. 94 12. – 247

Estimate each square root to the nearest whole number. Do not use a calculator.

13. 38

14. 84

15. 9.3

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