Roots

1
Roots

• Week 14

2
DO NOW (3 mins)PKB (Prior Knowledge Box)
Topic Squares and Misconceptions
Complete this side only. List anything that you know about the above topic.
3
STANDARD

• 7NS 2.4 Students will find the square root of
  perfect squares and other integers.

4
OBJECTIVE

• Huskies will be able to calculate perfect squares
  and estimate
• where a square lies
• Between.

5
Vocabulary

• Square root One of the two equal factors of a
  number.
• Squared Another way to say raised to the second
  power.

6
Vocabulary (continued)

• Perfect square A whole number that can be
  rewritten as the square of an integer.
• Radical sign The symbol, used to denote a square
  root.

7
Taking the square root of a number is the inverse
of squaring the number.
8
The numbers 16, 36, and 49 are examples of
perfect squares. Other perfect squares include 1,
4, 9, 25, 64, and 81.
9
Example 1 Finding the Positive and Negative
Square Roots of a Number
Find the two square roots of each number.
A. 49
B. 100
C. 225
10
Example 2
Find the two square roots of each number.
A. 25
B. 144
C. 289
11
Example 6 Square Root of Non-Perfect Squares

• The square root of 73 falls between which two
  whole numbers? Which number is 73 closer to?

12
Prior Knowledge Box (PKB)
Topic Exponents Misconceptions
What did you think you knew but you found out was a misconception? If you didnt have any prior knowledge, what did you learn/ review today?
13
Stations

• Collaborative- Faceing Exponent and Squares and
  Square Root Worksheet
• Direct- Square Roots Practice Worksheet w/Ms.
  Ahumibe

14
Exit Slip-Square Roots

• Name
• Date
• Period