TODAY IN ALGEBRA… CH.1 TEST TODAY! ALL HW DUE TODAY and Notebook check today! Learning Goal:...

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TODAY IN ALGEBRA… CH.1 TEST TODAY! ALL HW DUE TODAY and Notebook check today! Learning Goal: 2.1 You will graph and compare positive and negative numbers

Transcript of TODAY IN ALGEBRA… CH.1 TEST TODAY! ALL HW DUE TODAY and Notebook check today! Learning Goal:...

Page 1: TODAY IN ALGEBRA…  CH.1 TEST TODAY!  ALL HW DUE TODAY and Notebook check today!  Learning Goal: 2.1 You will graph and compare positive and negative.

TODAY IN ALGEBRA…

CH.1 TEST TODAY!

ALL HW DUE TODAY and Notebook check today!

Learning Goal: 2.1 You will graph and compare positive and negative numbers

Page 2: TODAY IN ALGEBRA…  CH.1 TEST TODAY!  ALL HW DUE TODAY and Notebook check today!  Learning Goal: 2.1 You will graph and compare positive and negative.

CHAPTER 1 TEST You have 50 minutes to complete your test. Are you prepared? Pencil? Calculator? No notes allowed. If you finish early:

Finish any missing assignments. Work on something quietly as the rest of

your fellow classmates complete their quizzes.

NO TALKING. STAY IN YOUR SEATS. Turn in any missing or corrected assignments.

Page 3: TODAY IN ALGEBRA…  CH.1 TEST TODAY!  ALL HW DUE TODAY and Notebook check today!  Learning Goal: 2.1 You will graph and compare positive and negative.

ALL HOMEWORK:

DUE TODAY!

If finished, work on other assignments:

HW #1: Pg. 5: 3-12, 15-28, 34HW #2: Pg. 10: 3-6, 11, 14, 15, 18, 22-26HW #3: Pg. 18: 3-12, 15-21HW #4: Pg. 24: 3-8, 12-28HW #5: Pg. 38: 1-8, 12-14, 17, 25HW #6: Pg. 46: 3-5, 10-13, 15, 16 use graph paper!

Page 4: TODAY IN ALGEBRA…  CH.1 TEST TODAY!  ALL HW DUE TODAY and Notebook check today!  Learning Goal: 2.1 You will graph and compare positive and negative.

2.1: INTEGERS AND RATIONAL NUMBERS:

0 1 2 3 4 5 6 7 8 9-1-2-3-4-5-6-7-8-9

4>0 2>−5 −1>−6

Page 5: TODAY IN ALGEBRA…  CH.1 TEST TODAY!  ALL HW DUE TODAY and Notebook check today!  Learning Goal: 2.1 You will graph and compare positive and negative.

2.1: INTEGERS AND RATIONAL NUMBERS:Copy the following table into your notebooks:

REAL NUMBERS

RATIONAL NUMBERS

INTEGERS

WHOLE NUMBERS

…−√2,−1 ,− 12,0 ,1 ,

34,√3 ,𝜋…

…−1 ,−12,0 ,34,1 ,2…

…−3 ,−2 ,−1 ,0 ,1 ,2 ,3 ,…

0 ,1 ,2 ,3 ,4 ,5…

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Page 6: TODAY IN ALGEBRA…  CH.1 TEST TODAY!  ALL HW DUE TODAY and Notebook check today!  Learning Goal: 2.1 You will graph and compare positive and negative.

EXAMPLE: Tell whether each number in the list is a whole number, integer, rational number. Then order the numbers from least to greatest.

REAL NUMBERS

RATIONAL NUMBERS

INTEGERS

WHOLE NUMBERS

𝑎 .3 ,−1.2,−2,0𝑏 .16,1.75 ,−

23,0

−2 ,−1.2 ,0 ,3 −23,0 ,16,1.75

I R W WR W R R

WI

R

Page 7: TODAY IN ALGEBRA…  CH.1 TEST TODAY!  ALL HW DUE TODAY and Notebook check today!  Learning Goal: 2.1 You will graph and compare positive and negative.

PRACTICE: Tell whether each number in the list is a whole number, integer, rational number. Then order the numbers from least to greatest.

REAL NUMBERS

RATIONAL NUMBERS

INTEGERS

WHOLE NUMBERS

𝑎 .4.5 ,−34,−2.1 ,0.5𝑏 .3.6 ,−1.5 ,−0.31 ,−2.8

−2.1 ,−34,0.5 ,4.5

−2.8 ,−1.5 ,−0.31 ,3.6

R R R RR R R R

WI

R

Page 8: TODAY IN ALGEBRA…  CH.1 TEST TODAY!  ALL HW DUE TODAY and Notebook check today!  Learning Goal: 2.1 You will graph and compare positive and negative.

2.1: INTEGERS AND RATIONAL NUMBERS: ABSOLUTE VALUES

-Number of units away from zero-

0 1 2 3 4 5 6 7 8 9-1-2-3-4-5-6-7-8-9

𝐸𝑋 1 :|−6|=6 𝐸𝑋 2 :|3|=36 3

Page 9: TODAY IN ALGEBRA…  CH.1 TEST TODAY!  ALL HW DUE TODAY and Notebook check today!  Learning Goal: 2.1 You will graph and compare positive and negative.

PRACTICE: For all the following problems, evaluate the expressions when

0.75 1.00 0 1.75

1.50 2 .25 1.50 1.50