12 ch3 lesson 9 estimateroots1.notebook
TRANSCRIPT
12 Ch3 Lesson 9 EstimateRoots1.notebook October 13, 2015
WarmUp 10/13/15Number a piece of notebook
paper 134
Skip lines between your numbers.
Chapter 3 Lesson 9: Estimate Roots
√8 is / is not a whole number.
√18 is / is not a whole number.
12 Ch3 Lesson 9 EstimateRoots1.notebook October 13, 2015
Examples:1.) Estimate √83 to the nearest integer.
Examples:
2.) Estimate √320 to the nearest integer. 3
63 = _____ 73 = _____(Hints)
12 Ch3 Lesson 9 EstimateRoots1.notebook October 13, 2015
Birds on a Wire!Birds on a Wire!
0 8- 1
- 7 25152- 20
Move the birds so they are placed closest to there
whole number square root estimate.
Got it? Give these a try...
a.) √35 b.) √170c.) √44.8
d.) √623 e.) √253 f.) √129.63
12 Ch3 Lesson 9 EstimateRoots1.notebook October 13, 2015
How many small squares fill the large square? _____
This measurement is called the __________
What is the length of one side? _____
How does the length of one side of a square relate to the area of the square?
(click here)
Example: Wyatt wants to fence in a square portion of the yard to make a play area for his new puppy. The area covered is 2 sq. meters. How much fencing should Wyatt buy? Estimate to the nearest meter.
2 m2
area of the square
12 Ch3 Lesson 9 EstimateRoots1.notebook October 13, 2015
Now you try... Jason bought a square poster for his man cave and he wants to make a frame for it. The area of the poster is 620 square inches. How much material will he need to make the frame?
Homework ~
12 Ch3 Lesson 9 EstimateRoots1.notebook October 13, 2015
Rational Numbers
Irrational NumbersFractions
Decimals
RepeatingDecimals
Integers
WholeNumbers
√perfect squares
√perfect cubes3
√NONperfect squares
√NONperfect cubes3
π
Rational Irrational
486424 43 841.121221222...
2.34986... 4.32
3.1212...
6.3