Do Now 9/11/09Do Now 9/11/09

Take out HW from last night.Take out HW from last night. Text p. 19 #10-36 evensText p. 19 #10-36 evens

Copy HW in your planner.Copy HW in your planner. Text p. 25-26, #18-58 evenText p. 25-26, #18-58 even Mid-Chapter Quiz Tuesday (Sections 1.1-1.4)Mid-Chapter Quiz Tuesday (Sections 1.1-1.4)

In your journal, list ten pairs of opposites. What do you In your journal, list ten pairs of opposites. What do you know of in math that has an opposite?know of in math that has an opposite?

Did you turn in the Problem of the Week?Did you turn in the Problem of the Week?

HomeworkText p. 19 #10-36 evens

10) 11.7 12) 11 14) 3 16) 60 18) 14 20) 1.75 22) 13

24) 26 26) 45.4 28) a.) 1.5 + 0.03y

b.) 3m 30) 4(1) + 7(2) + 2(3); 24 points 32) 86 34) 5 36) a.) 19.5 + 0.15m

b.) $38.25

Objective

SWBAT compare and order integers.

the set of whole numbers the set of whole numbers and their oppositesand their opposites

““To be an Integer or Not to be an To be an Integer or Not to be an Integer”Integer”

+6+6-4-4+7+7--½½¾¾

-32-32

Section 1.4, “Compare and Section 1.4, “Compare and Order Integers”Order Integers”

Integer-Integer-

Integers are divided into three categories: Positive numbers Negative numbers Zero

IntegersIntegers

00 11 22 33 44 55-1-1-2-2-3-3-4-4-5-5

negative positivezero

Creating a Number Line …Creating a Number Line …

Fold your paper in half left to right. Fold your paper top to bottom. At the center mark ZERO. Make a tick mark every ½ inch on

the number line.

Order the following integers from least to greatest.0, -6, 5, -3, 4, 2

Ordering IntegersOrdering Integers

00 11 22 33 44 55-1-1-2-2-3-3-4-4-5-5

negative positivezero

-6, -3, 0, 2, 4, 5

Ordering IntegersOrdering Integers

00 11 22 33 44 55-1-1-2-2-3-3-4-4-5-5

negative positivezero

Order the following integers from greatest to least.-3, 6, 2, 0, 1, -2

6, 2, 1, 0, -2, -3

OPPOSITESOPPOSITES

Two numbers that are the same distance from ZERO.Two numbers that are the same distance from ZERO.

00 11 22 33 44 55-1-1-2-2-3-3-4-4-5-5

negative positivezero

What is the opposite of -3? What is the opposite of -3? Opposite of -3 = 3Opposite of -3 = 3

ABSOLUTE VALUEABSOLUTE VALUE

The distance a number is away from ZERO. Distance is always “The distance a number is away from ZERO. Distance is always “positive.”positive.”

00 11 22 33 44 55-1-1-2-2-3-3-4-4-5-5

negative positivezero

What is the absolute value of -4? or |-4| |-4| = 4

What is |4| ? |4| = 4

Homework

Text p. 25, #1-15 all

Guided Practice

Text p.25-26, #18-58 evenText p.25-26, #18-58 even Mid-Chapter Quiz Monday (Sections 1.1-1.4)Mid-Chapter Quiz Monday (Sections 1.1-1.4)

“Opposites Poster”

Pretend you have to teach a lesson on integers to a 4th grade class. Create a poster on construction paper, about opposites.

Include at least seven picture examples of opposites things.

Include 10 examples of opposite integers.