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Mathematics:
Integers
What are
integers?
How to: Add,
Subtract,
Multiply, Divide
What are integers?
 An integer is a whole number that
can be positive, negative, or zero.
What are
integers?
How to: Add,
Subtract,
Multiply, Divide
How to add integers?
What are
integers?
How to: Add,
Subtract,
Multiply, Divide
When adding negative to a positive, you only need to
add and copy sign.
When adding a negative to a positive it turns into
subtraction.
You need to copy the sign of the bigger number
EXAMPLES:
1. 8 + (-5) = 3
2. 10 + (-15) = -5
3. (-9) + (-3) = -12
What are
integers?
How to: Add,
Subtract,
Multiply, Divide
How to subtract integers?
Whether you are subtracting negative numbers or
a positive and negative number, it will turn to
addition.
Same in addition, you need to copy the sign of the
bigger number.
EXAMPLES:
1. 9 – (-5) = 14
2. (-40) – 32 = -8
3. (-4) – (-10) = -14
How to multiply integers?
What are
integers?
How to: Add,
Subtract,
Multiply, Divide
You only need to multiply them
normally but,
When multiplying integers you
need to remember the rule of the
signs;
(+) (-) = (-)
(-) (-) = (+)
(+) (+) = (+)
EXAMPLES:
1. 10 – (-6) = -60
2. (-3) – 2 = -6
3. (-5) – (-9) = 45
What are
integers?
How to: Add,
Subtract,
Multiply, Divide
How to divide integers?
Similar to multiplying them, You only need
to divide them normally but always
remember the rules for the sign.
(+) (-) = (-)
(-) (-) = (+)
(+) (+) = (+)
EXAMPLES:
1. (-12) ÷ 3 = -4
2. 15 ÷ (-5) = -3
3. (-18) ÷ (-2) = 9

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INTEGERS.pptx

  • 1.
  • 2. Mathematics: Integers What are integers? How to: Add, Subtract, Multiply, Divide
  • 3. What are integers?  An integer is a whole number that can be positive, negative, or zero. What are integers? How to: Add, Subtract, Multiply, Divide
  • 4. How to add integers? What are integers? How to: Add, Subtract, Multiply, Divide When adding negative to a positive, you only need to add and copy sign. When adding a negative to a positive it turns into subtraction. You need to copy the sign of the bigger number EXAMPLES: 1. 8 + (-5) = 3 2. 10 + (-15) = -5 3. (-9) + (-3) = -12
  • 5. What are integers? How to: Add, Subtract, Multiply, Divide How to subtract integers? Whether you are subtracting negative numbers or a positive and negative number, it will turn to addition. Same in addition, you need to copy the sign of the bigger number. EXAMPLES: 1. 9 – (-5) = 14 2. (-40) – 32 = -8 3. (-4) – (-10) = -14
  • 6. How to multiply integers? What are integers? How to: Add, Subtract, Multiply, Divide You only need to multiply them normally but, When multiplying integers you need to remember the rule of the signs; (+) (-) = (-) (-) (-) = (+) (+) (+) = (+) EXAMPLES: 1. 10 – (-6) = -60 2. (-3) – 2 = -6 3. (-5) – (-9) = 45
  • 7. What are integers? How to: Add, Subtract, Multiply, Divide How to divide integers? Similar to multiplying them, You only need to divide them normally but always remember the rules for the sign. (+) (-) = (-) (-) (-) = (+) (+) (+) = (+) EXAMPLES: 1. (-12) ÷ 3 = -4 2. 15 ÷ (-5) = -3 3. (-18) ÷ (-2) = 9