Post on 12-Jun-2015
transcript
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
100
200
300
400
500
Square Roots
100
200
300
400
500
MISC
100
200
300
400
500
Finding Square Roots
100
200
300
400
500
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