12 Ch3 Lesson 9 EstimateRoots1 advanced.notebook October 05, 2016
WarmUp:
Chapter 3 Lesson 9: Estimate Roots
Today's WarmUp: Perfect Square/Cube BUZZ
You will need a clean sheet of paper numbered (130)
√8 is / is not a whole number.
12 Ch3 Lesson 9 EstimateRoots1 advanced.notebook October 05, 2016
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 advanced.notebook October 05, 2016
Birds on a Wire!Birds on a Wire!0
8
- 1- 725
15
2- 20
Move the birds so they are placed closest to there
whole number square root estimate.
Got it? Give these a try...
a.) √35b.) √170
c.) √44.8
d.) √623 e.) √253 f.) √129.63
12 Ch3 Lesson 9 EstimateRoots1 advanced.notebook October 05, 2016
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 advanced.notebook October 05, 2016
Now you try... Kelly needs to put a trim around a circular table cloth with a diameter of 36 inches. Use the equation C = πd to find the approximate amount of trim she would need to buy. (Use 3.14 for π)
36 indiameter
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