Day2.notebook
August 19, 2016
What Did We Do Yesterday?
Round the following using the method we talked about
yesterday.
identify, examine, decide to change(or not), rewrite
nearest hundred:
1,280.2569
rounds to:
nearest thousandth: 1 , 5 8 1 . 3 4 5 3 1
rounds to:
nearest whole number: 2, 3 4 5 . 7 1 2 1
rounds to:
nearest million: 2 4 , 6 7 9 , 1 2 5 . 1 5 4 5 4 5 6
rounds to:
nearest millionth: 2 4 , 6 7 9 , 1 2 5 . 1 5 4 5 4 5 6
rounds to:
nearest ten: 3, 4 5 7 . 1 3 5 8
rounds to:
Day2.notebook
August 19, 2016
Review:
1) Find the product of 9 and 3
(what does product mean?)
2) Multiply 8 and 9
3) 7 X 4 = _____
Given: 1 4 5 . 6 3 7 8
4) Round to tens place
145.6378
_____________
5) Round to tenths place
145.6378
________________
Day2.notebook
August 19, 2016
Intro to Geom Day 2
Obj: -to look at perfect squares
-find square roots of perfect squares
-simplify radical expressions
List the first 12 perfect squares.
32 = ____
1) 12 = _____
2) 22 = ____
3)
4) 42 = _____
5) 52 = ______
6) 62 = ____
7) 72 = _____
8)
10) 102 = ____
11) 112 = ____
12) 122 = _____
13) 132=_____
14) 142=____
15) 152=_____
82 = _____
9) 92 = ____
Let's look at some that are not on this list.
182 212 232 252
Here is a list of perfect squares:(ones you might not know)
256, 289, 324, 361, 400, 441, 484, 529, 576, 625
Day2.notebook
August 19, 2016
Perfect Squares: A perfect square is what we just found!
All perfect squares have a square root!
Find the square root of the following numbers.
4
100
9
49
25
16
121
36
64
HW: WS #2 (1 - 24)
1
81
144
Day2.notebook
August 19, 2016
4, 9, 16, 25, 36, 49, 64, 81, 100
Simplifying radical expressions to simplest radical form.
Choose from these numbers:
4, 9, 16, 25, 36, 49, 64, 81, 100
8
21
18
20
10
24
32
50
200
4, 9, 16, 25, 36, 49, 64, 81, 100
27
40
48
56
300
98
45
54
72
HW WS #2 (25-42)
Day2.notebook
August 19, 2016