Exponents (Part 2)
Week 14
DO NOW (3 mins)PKB (Prior Knowledge Box)
Topic: Exponents Rules
Misconceptions
Complete this side only. List anything that you know about the above topic.
STANDARD
7NS 2.3 Multiply, divide and simplify rational numbers by using exponent rules.
OBJECTIVE
Huskies will be able to predict which exponent rules to use based on the given exponent expression.
Exponent Rule #1
When multiplying, If the bases are the same, add the exponents together.
Review
Example#1
Example#1-answer
The base, 2, is the same. So we add the exponents
YouTry#1
The power tells you how many times to multiply the base.
Exponent Rule #2
Review
Example #2
Example# 2- answer
YouTry#2
Exponent Rule #3
When dividing, If the bases are the same, subtract the exponents.
Review
Example#3
Example#3-answer
YouTry#3
Exponent Rule #4
The fourth law of exponents states that for every integer x,
(ab)x = ax bx
Example:
(4 3)3 = 43 33 = 64 27 = 1,728
Exponent Rule #5
The fifth law of exponents states that for every integer x,
Example:
Prior Knowledge Box (PKB)Topic: Exponents Misconceptions
What did you think you knew but you found out was a misconception? If you didn’t have any prior knowledge, what did you learn/ review today?
Agenda
Homework-Exponent Rule Worksheet
Fill out Exponent Rule table and do the “you try” column.
Due on Thursday (p1 and p5) Due on Friday (p2,4,6)
Bring a white board marker
(DUE: P.1,3,5- Mondays and Thursday. P.2,4,6- Tuesdays and Fridays)
