1. Negative Numbers: Adding & Subtracting together
Silent
Teacher
Intelligent Practice
Narration
Your Turn
(−5)+3=
1.2−5=
( − 2 3 )+5=
Example
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2. 4+(−1)= 5+(−2)= 4−(−1)= 5−(−2)= Worked Example Your Turn
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3. 5+3= (−5)−(−3)= 3+5= (−5.2)−(−3)= (−3)+5= (−5.2)+(−3)= 5+(−3)=
(−1.2)+(−3)=
(−5)+(−3)=
−1.2 +3=
(−5)+3=
−1.2 −(−3)=
(−5)−3=
−1.2 −(−5)=
(−3)−5=
1.2−5=
3−5=
2 3 −5=
3−(−5)=
( − 2 3 )−5=
−3−(−5)=
( − 2 3 )+5=
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4. 5+3=8 −5 − −3 =−2 3+5=8 −5.2 − −3 =−2.2 (−3)+5=2 −5.2 + −3 =−8.2
5+(−3)=2
−1.2 + −3 =−4.2
−5 + −3 =−8
−1.2 +3=1.8
−5 +3=−2
−1.2 −(−3)=1.8
−5 −3=−8
−1.2 −(−5)=3.8
−3 −5=−8
1.2−5=−3.8
3−5=−2
2 3 −5= −4 1 3
3−(−5)=8
( − 2 3 )−5= −5 2 3
−3−(−5)=2
( − 2 3 )+5= 4 1 3
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