1. ROOTS for Squares & Cubes
Lesson 11
ROOTS for Squares & Cubes
Math Textbook Section 1.4B and 1.5B
Pages 30 & 34

2. Square Roots and Cube Roots
1. Square Roots Introduction
(5:23 min)
2. Cube Roots Introduction (8:00 min)
* Cube starts at 2:48 min
3. Square Root Using Factor Tree (5:05)
4. Cube Root Using Factor Tree (3:02)
5. Exponents & Roots (11:11 min)
* Good vocabulary explanations! * Demonstration for calculator
6. Square Root Trick! (8:06 min)
7. Cube Root Trick! (4:44 min)
(6:18 min)
View each video link as a review of the lesson. The #1, #2 and #3 links with the smiley face are the ones shown in class.

3. Write each cube root. Hint: find three pairs; see page 35.
Using your personal whiteboard (sheet protector), work these problems as we do them together in class. Hold it up when completed and I will give you the nod whether you are correct or not.
Write each square root.
a b c d (use factor tree)
Write each cube root. Hint: find three pairs; see page 35.
e f g. 1,000
Evaluate each power using numerical expression.
f g h. 5 3
Write the root for each exponent expression as a square or
cube root. Example: = 49 and √49 = 7
i j k L. 6 3
PRACTICE PROBLEMS

4. Please Excuse My Dear Aunt Sally
Using your personal whiteboard (sheet protector), work these problems as we do them together in class. Hold it up when completed and I will give you the nod whether you are correct or not.
Order of Operations
Please Excuse My Dear Aunt Sally
Parenthesis, Exponent, Multiply, Divide, Add, Subtract
Evaluate each exponent, THEN multiply, divide, add, subtract
a b c x
d  e x 3 3
MORE PRACTICE PROBLEMS

5. Math Journal Activity #11
Why must we follow order of operations?
EVALUATE:
What happens without them?
Math Journal Activity #11
1. On notebook paper title it and copy the …
* Square Root - Method 1: Recall example and Method 2: Prime
Factorization example on page 31 of textbook.
* Cube Root - Prime Factorization example “b” on page 35.
2. Copy the “Math Note” statement on textbook page 30. Copy the
statement in the speech bubble on page 34 that starts “Finding
the cube root…”
3. Copy this “Order of Operations” memory statement
Please Excuse My Dear Aunt Sally
Parenthesis, Exponent, Multiply, Divide, Add, Subtract
4. Copy steps #1-4 Order of Operations on bottom of page 35.
5. Place the notebook page into your binder – behind “Math Journal”
divider.

6. …how to calculate square roots and cube roots.
Today we learned…
…how to calculate square roots and cube roots.
…how to calculate a numerical expression using Order of Operations 3

7. Rotation Day
Complete this assignment as practice and review of Cube Roots and Square Roots.