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ADD,SUBTRACT AND MULTIPLY AND DIVIDE INTEGERS. BY : LATIA CLARKE. WHAT ARE INTEGERS. Integers are any numbers from a set. Integers are also negative and positive numbers. Positive integers are greater than zero. They can be written with or without a plus sign

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Presentation Transcript
what are integers
WHAT ARE INTEGERS
  • Integers are any numbers from a set.
  • Integers are also negative and positive numbers.
  • Positive integers are greater than zero.
  • They can be written with or without a plus sign
  • Negative are integers less than zero.
  • They are written with a minus sign.
  • Zero is nether a positive or a negative.
how to multiply integer
How to multiply integer
  • Multiplication is the same as repeated addition.
  • When you multiply with a negative and a positive the sign is different.
  • The product of two positive integers is positive
  • You can use a pattern to find the product of two negative integers.
  • Negative * positive = negative
  • Negative * negative = positive
  • ex. (2)(-3)= -6
how to divide integers
How to divide integers
  • When finding the quotient of two integers you can use related multiplication sentence.
  • Division of Integers is similar to division of whole numbers (both positive) except the sign of the quotient needs to be determined.
multiplacation division
Multiplacation,division

division

multiplication

  • -35 / -1
  • -117 / -3

Lets try and solve these problems. then you will get a quiz to see what you know. Then when you are done I want you to tell me the difference between dividing and multiplying integers and don’t worry we are almost done.

help with division
Help with division
  • 35/-1

Step 1.how many times can 1 go into 3?

Step2.so you carry the 3 and subtract and you get zero.

Step 3. then you do the same with the 5.

  • -117/-3
  • Step 1. you line up 117 and 3. then you multiply.
  • Step 2.You start from the back. 7(3) is 21.so you leave the 1 and carry the 2.
  • Step 3. 1(3) is 3 plus 2 is 5. then 1(3) is 3 so you get 3. then your answer is 351.

I hope you were paying attention because now you have a quiz .there is no help on this. GOOD LUCK

quiz time integers
QUIZ TIME: INTEGERS

DIRECTIONS: DIVIDE THE TWO INTEGERS AND DECIDE IF IT IS A NEGATIVE AND A POSITIVE.

  • 45/-2

a.22

b.-22

c.33

d.45

question 2
Question #2
  • Divide the two integers
  • 188/2
  • A.94
  • B.-94
  • C.87
  • D.45
question 3
QUESTION # 3
  • 128/4
  • A.-32
  • B.32
  • C.48
  • D.12

CONGRADULATIONS you have finished the quiz.

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