Presentation is loading. Please wait.

Presentation is loading. Please wait.

Integers and Absolute Value

Similar presentations


Presentation on theme: "Integers and Absolute Value"— Presentation transcript:

1 Integers and Absolute Value

2

3 Vocabulary Number line: a line on which numbers are marked on
Absolute value: number distance between the number and zero on a number line It is always positive

4 -5 -4 -3 -2 -1 +1 +2 +3 +4 +5 Positive integers are integers greater than 0. They can be written without + sign.

5 Negative integers are integers less than 0. They are written with a
-5 -4 -3 -2 -1 +1 +2 +3 +4 +5 Negative integers are integers less than 0. They are written with a - sign.

6 Zero is neither negative nor positive.
-5 -4 -3 -2 -1 +1 +2 +3 +4 +5 Zero is neither negative nor positive.

7 If it’s on the number line, it is an integer.
So, basically, any number I can imagine is an integer? Like 3? -3? 150? -150? 350 million billion gazillion????? If it’s on the number line, it is an integer.

8 Write an integer for each situation.
Weather: 5 degrees below normal Since the weather is below normal, the integer is written as -5.

9 Let’s write an integer for each situation.
Rainfall: 5 inches above normal Since the rainfall is above normal, the integer is written as +5 or 5.

10 Let’s write an integer for each situation.
Banking: a deposit of $23 Since the deposit is _______ an amount to your bank account, it is ____ or ____.

11 Graph this set on a number line. (-4, -2, 0, 5)
-5 -4 -3 -2 -1 +1 +2 +3 +4 +5

12 Graph Integers Graph the integers: -3,1,4

13 Remember its always positive!
Absolute value: number distance between the number and zero on a number line Remember its always positive! This means that the absolute value of both -5 and 5 are 5 (distance from 0).

14 Let’s try this one… -4 = 4 4 units +1 +2 +3 +4 +5 -5 -4 -3 -2 -1

15 Evaluate then graph 1. |-4| =_______ 2. |-6|=_______ 3. |-10|=______

16 Evaluate and solve 5+ |-14|= |-16| +2= 7+ |-12|= 1. Absolute value
2.Rewrite it 3. Solve 5+ |-14|= |-16| +2= 7+ |-12|=

17 Coordinate Plane

18 Words to Know Coordinate plane: formed when two number lines intersect
Ordered pair: pair of numbers that help locate a point on a coordinate plane x-coordinate: corresponds to a number on the x-axis y-coordinate: corresponds to a number on a y-axis

19 Write the ordered pairs for the points
A (____,____) B (____,____) C (____,____) D (____,____) E (____,____)

20 Locate the Quadrant 1.What quadrant is A located in?_______
2.What quadrant is C located in?_______ 3.What quadrant is D located in?_______ 4.What quadrant is F located in?_______

21 Graph and the label A (4,2) B (-3,1) C (0,-1) D (1,-4) E (5,3)

22

23

24

25 Add Integers 5+17= (-6)+12= (-9)+ (-7)= 8+ (-3)= (-5)+(-22)=

26 Subtract Integers 8-13= 10-7= 8-2= (-20)-15= (-22)-26=

27 Do Now 1. -3+5= 2. 4 - 6= +1 +2 +3 +4 +5 -5 -4 -3 -2 -1 +1 +2 +3 +4 +5
+1 +2 +3 +4 +5 -5 -4 -3 -2 -1 = = +1 +2 +3 +4 +5 -5 -4 -3 -2 -1

28 Multiplying Integers 7 ×(-2)= 4 × (-5)= (-3) × (-6)= 8 × (-1)=
(-4) × (-11)=

29 Dividing Integers (-6) ÷ 3= (-22) ÷ (-11)= 20 ÷ (-4)= (-16) ÷ 2=
(-30) ÷(-5)=

30

31 Do Now Absolute Value 1. |-63|= Order of Operations 2. 8+ (5+4) ÷ 2=
Add the Integers 3. (-14) =


Download ppt "Integers and Absolute Value"

Similar presentations


Ads by Google