square roots and sn jeopardy

oWe will go group by groupoEach group will have 2 minutes to answer the questionoIf the first group doesn’t answer the question correctly, the next group will have a chance to win.

GOOD LUCK!!!!!

Jeopardy

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Square Roots

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MISC

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Finding Square Roots

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Scientific Notation

Find the two square roots of the number.

256

+16 and -16

Evaluate the expression.

8 + √144

20

Evaluate the expression. 7√289

119

Evaluate the expression-(√2500 – 2√81)

-32

Evaluate.Ms. Smith wants to put a fence

around 3 sides of a square garden that has an area of

225ft². How much fencing does she need?

45 ft

Evaluate. 32 + (-4) + (-15)

13

Why does every number have 2 square roots?

One is positive and one is negative

Example: 4 = 2² & (-2)²

A city is made up of 121 square blocks. How many city

blocks wide is the city?

11

DefineBase and Scientific notation

Base: a number raised to a power, this is the number used as a

factorScientific notation: a way to write very large or very small numbers

Define perfect square and a principal square root

Perfect square: a square of a whole number

Principal square root: a nonnegative square root

State whether the numbers are rational or irrational.

A) -√121B) √144/2

C) ∏

A & B are rational -11 & 6, C is irrational (does not terminate)

Each square root is between 2 integers. Name the integers

√23o

15 & 16

Each square root is between 2 integers…name them.

√89

9 & 10

Each square root is between 2 integers. Name them.

-√60

- 8 & - 7

Estimate the square root √ 200

A) 13.5B) 14.1C)15.5D) 15

Answer B

Write the number in standard notation3.33 x 10

0.0000333

5

Write in scientific notation

0.00000053

5.3 x 10⁻⁷

Find the value

3.25 x 10⁹

3,250,000,000

Find the value

9.9 x 10⁻⁵

0.0ooo99

Write the number in scientific notation.332 x 10³

3.32 x 10²