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Algebra Day 2: Syllabus and Number Trick

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by

James Dunseith

on 28 August 2014

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Transcript of Algebra Day 2: Syllabus and Number Trick

Algebra Opener: 8/28/14
"Second verse, same as the first..."
1. Please sit at the same table as yesterday.

2. Work with your group to solve this problem:
"The best way to learn
anything is to discover it by yourself."
-George Polya
A Number Trick
See if you can figure
out how this works.
Everyone in your group should
write down a different number between 1 and 50.

Don't tell Mr. Dunseith your numbers!

A Number Trick
Follow along...

Step 1:
Take your number.
A Number Trick
Follow along...

Step 2:
Add seven.
A Number Trick
Follow along...

Step 3:
Multiply by two.
A Number Trick
Nice work...

Step 4:
Subtract four.
A Number Trick
Almost done!

Step 5:
Divide by 2.
A Number Trick
Last step:
Step 6:
Subtract your original number.
Summary: A Number Trick
1. Take your number.
2. Add seven.
3. Multiply by two.
4. Subtract four.
5. Divide by two.
6. Subtract your original number.
Today's Student Learning Targets

Habit 1: I can make sense of problems and persevere in solving them.

#1.1: I can interpret expressions that represent a quantity in terms of a context.
Tonight's Homework
It's due tomorrow.
1. Write the heading on a piece of paper.

2. Find the 5th, 10th, and 100th term in each pattern.

Here is a number pattern:

12, 15, 18, 21, 24, ...

What is the 100th term in this pattern?
309
Homework #1.1

1) 5, 10, 15, 20, ...

2) 45, 47, 49, 51, ...

3) 50, 49, 48, 47, ...
Full transcript