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Operations with Integers

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Presentation on theme: "Operations with Integers"β€” Presentation transcript:

1 Operations with Integers
Integrated Mathematics

2 Addition Rules Positive + Positive = Positive
Negative + Negative = Negative Positive + Negative or Negative + Positive Subtract & Take Sign of Number Further from Zero

3 Addition Rules When the signs are the SAME
Add and keep the Same Sign When the signs are DIFFERENT Subtract and keep the sign of the number further from ZERO

4 Adding Integers Ex.1) βˆ’πŸ‘+πŸ“ Ex.2) βˆ’πŸ’+(βˆ’πŸ“) Ex.3) βˆ’πŸ’+πŸ— Ex.4) βˆ’πŸ“+𝟐

5 Adding Integers Ex.5) βˆ’πŸπŸ+(βˆ’πŸ•) Ex.6) πŸπŸ‘+(βˆ’πŸ•) Ex.7) βˆ’πŸπŸ“+𝟏𝟎 Ex.8) βˆ’πŸπŸ+πŸπŸ“

6 Practice -4 + 10 6) 9 + (-16) 5 + (-2) - 8 + (-8) -3 + (-7) 13 + 0
5 + (-5) 6) 9 + (-16) - 8 + (-8) 13 + 0 11 + (-6)

7 Subtraction Rules Ex.11) βˆ’πŸ‘βˆ’πŸ’ Ex.12) βˆ’πŸ–βˆ’(βˆ’πŸ“) Ex.13) βˆ’πŸ’βˆ’(βˆ’πŸ”) Ex.14) πŸβˆ’πŸ”
Use Addition Rules Make two minus signs into a plus sign Ex.11) βˆ’πŸ‘βˆ’πŸ’ Ex.12) βˆ’πŸ–βˆ’(βˆ’πŸ“) Ex.13) βˆ’πŸ’βˆ’(βˆ’πŸ”) Ex.14) πŸβˆ’πŸ”

8 Subtracting Integers Ex.15) πŸ’βˆ’πŸ— Ex.16) πŸ”βˆ’(βˆ’πŸ’) Ex.17) βˆ’πŸ’βˆ’πŸπŸ•

9 Rules for Multiplication/Division
When the signs are Different, the answer is Negative. When the signs are THE SAME the answer is Positive. RULES + -

10 Multiplying Integers Ex.19) 8(βˆ’ 5) Ex.20) (βˆ’πŸ•)βˆ™πŸ“ Ex.21) (βˆ’πŸ‘)(βˆ’πŸ’)

11 Dividing Integers Ex.25) 15Γ· βˆ’3 Ex.26) βˆ’21Γ·(βˆ’7) Ex.27) βˆ’44 βˆ’11


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