8th Grade Math: Day 5

Mathematics

8th Grade

Start

Goals

Explore Counterexamples

Review Area Models

Its Game Time!Don't Break the Bank

Red Table Talk

To

Agree

Disagree

Tell your table buddy something about you with a statement that has the word "disagree" Ex. "My mom and aunt sometimes disagree about dinner."

Tell your table buddy something about you with a statement that has the word "to" Ex. "It is time to go to class."

Tell your table buddy something about you with a statement that has the word "agree" Ex. "I agree with her."

Counterexamples

• A 3 by 5 rectangle has area 15 square units and perimeter 16 units.
• Conjecture: there is no other shape that has the same area and perimeter as a 3 by 5 rectangle.

Start

Area Model

Thinking Time

Stand up! Now find someone on the other side of the room to talk to.

Start

Learning situation // Context

Area Model

• What is the largest product we can make with the digits 2,3,4, and 5

Activity

Don't Break the Bank

Start

Don't Break the Bank

• Goal: Get the highest sum without going over 999.
• How to play:
• Draw this diagram on your paper .
• A die will be rolled (if you are in a small group then take turns rolling the die.)
• Pay attention to what number the die lands on and then add it to one of the nine spots on your board.
• Once we have rolled the die 9 times then you will add the three 3-digit numbers together.

Page 12-14

Red Table Talk

• Need four volunteers
• Clean your area and come to center table
• If you choose NOT to be apart of RTT please sit quietly around the panel table and listen
• When you are apart of RTT you DO NOT verbally abuse one another. It is okay to agree to disagree.

Start

Closer

Red Table Talk

• Consider the claim that “In math, there's only one right answer.”
• Do you think that's true? Is it true in this class?

Home