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Algebra. Lesson 1-3 Square Roots. Bell Work. Warm Up Round to the nearest tenth. 1. 3.14 2. 1.97 Find each square root. 3. 4. Write each fraction in simplest form. 5. 6. Simplify.

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algebra

Algebra

Lesson 1-3

Square Roots

bell work
Bell Work

Warm Up

Round to the nearest tenth.

1. 3.14 2. 1.97

Find each square root.

3. 4.

Write each fraction in simplest form.

5. 6.

Simplify.

7. 8.

3.1

2.0

25

4

algebra1

Algebra

Lesson 1-3

Square Roots

quiz 1a
Quiz 1A
  • Thursday
  • Lessons 1-1 through 1-5
math humor
Math Humor
  • Teacher: Let’s find the square root of 1 million.
  • Student: Don’t you think that is a bit radical?
bring to class
Bring to Class
  • Textbook
  • 3-Ring Notebook
  • Paper
  • Pencils and eraser
  • Eagerness and Curiosity
common courtesies
Common Courtesies
  • Please…
    • Come in, get settled, and get ready
    • If you are late, enter inconspicuously
    • Don’t be the kid your fellow students wish is absent
  • Enjoy, Participate, Contribute, Learn
slide10

<

<

< 6

5 <

Because 27 is closer to 25 than to 36, is close to 5 than to 6.

Because 27 is closer to 27.04 than 26.01, is closer to 5.2 than to 5.1.

Example 1: Estimating Square Roots

Estimate to the nearest tenth.

Find the two perfect squares that 27 lies between.

Find the two integers that lies between .

Try 5.2: 5.22 = 27.04

Too high, try 5.1.

5.12 = 26.01

Too low

Check On a calculator ≈ 5.1961524 ≈ 5.1 rounded to the nearest tenth.

homework
Homework
  • Yes, You have homework. Refer to your homework sheet.
slide21

Exit Ticket

name, period on sheet of paper

1. Findstimto the nearest tenth. t nearest tenth.

Simplify each expression.

2.

3.

4.

5.