1.3 Cube Roots Day 1 and Day 2.notebook
September 10, 2014
Bell Ringer:
Find the positive and negative square roots of each number.
Sep 2­2:02 PM
Homework Questions?
Sep 2­2:02 PM
1
1.3 Cube Roots Day 1 and Day 2.notebook
September 10, 2014
1.3 Cube Roots
Objective: Students will be able to find cube roots
and to solve cube root equations.
Vocabulary:
Perfect Cube: A number that is a cube of a whole
number.
Example:
Cube Root: The cube root of a number is a number that
when used as a factor three times, is equal to the given
number.
Example:
Sep 2­1:55 PM
Common Perfect Cubes...
n3
n
0
0
1
1
2
8
3
27
4
64
5
125
6
216
Sep 2­2:01 PM
2
1.3 Cube Roots Day 1 and Day 2.notebook
September 10, 2014
Examples: Find the cube root of each number
A.)
27
B.)
-1331
C.)
C.) A.)
Sep 2­2:01 PM
Volume: is the number of unit cubes needed to fill in a
solid. Volume is measured in cubic inches
Example 2: A cube-shaped package has a volume of
512 cubic inches. What are the dimension of the
package?
Sep 2­2:01 PM
3
1.3 Cube Roots Day 1 and Day 2.notebook
September 10, 2014
Example 3: A different cube-shaped packing box has a
volume of 125 cubic feet. What is the side length of the
box?
Sep 2­2:01 PM
The opposite of cubing something is
cube rooting it.
Solve for x:
Sep 2­2:01 PM
4
1.3 Cube Roots Day 1 and Day 2.notebook
September 10, 2014
To find the cube root of a fractions take
the cube root of the numerator and the
denominator.
Solve for x:
Sep 2­2:02 PM
Homework (Day 1)
pg. 16 - 17
#'s 6-32 all
Sep 2­2:02 PM
5
1.3 Cube Roots Day 1 and Day 2.notebook
September 10, 2014
Bell Ringer
Reteaching 1.3
Sep 2­2:02 PM
Homework Questions?
Sep 2­2:02 PM
6
1.3 Cube Roots Day 1 and Day 2.notebook
September 10, 2014
Around the Room Review
Posted Around the room are questions from the first 3
sections that we have completed.
On a separate sheet of paper, please place the following:
1. Card Number
2. Copy the problem
3. Show all work used to solve
I expect you to get as many done as possible in the class
period. This is your review for your quiz on Friday!
Sep 2­2:20 PM
Homework:
1.) Practice wks 1.3
2.) Study for Quiz
tomorrow!!
Sep 2­2:25 PM
7