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)