Day 1 Integers and Absolute Value. Parachute https://www.youtube.com/watch?v=ur40O6n QHsw https://www.youtube.com/watch?v=ur40O6n QHsw.

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Presentation transcript:

Day 1 Integers and Absolute Value

Parachute QHsw QHsw

Activity 1 Page 2 Work with a partner. You are gliding to the ground wearing a parachute. The table shows your height above the ground at different times. a.Describe the pattern in the table b.What integer represents your speed? c.Do you think your velocity should be represented by a positive or negative integer d.What integer represents you velocity? Time (seconds) 0123 Height (feet) Goes down by 15 (-15-) Land after 6 second Speed of 15 feet per second (negative) -15

Vocabulary Notes Integers: Consisting of negative integers, zero, and positive integers. (…-3, -2, -1, 0, 1, 2,….) Negative Integers: The integers that are less than zero. (… -3, -2, -1) Positive Integers: The integers that are greater than zero. (1, 2, 3, …)

Absolute Value Absolute value: the distance from 0 and a number on a number line. (always positive) Absolute value of a number a is written as │a │

Practice 1.│-10 │ 2.│8 │ 3.│21 │ 4.│-2 │ 5.│-12 │ 6.│100 │ 7.│-96 │

Comparing Values < less than < less than or equal to > greater than > greater than or equal to

Comparing Values Practice 1.│-2 │ -1 2.│10 │ │ -7 │ 6 4.│9 │ 9 5.│-2 │ │2 │ 6.│-23 │ │4 │ -4

Homework Page 6 Problems 4 – 15 Page 7 Problems