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Q

Use number line and add the following integers: (a) 9 + ( - 6)

2.   Use number line and add the following integers :

             (a)  9+(-6)

             (b) 5+(-11)

             (c) (-1)+(-7)

             (d) (-5)+10

             (e) (-1)+(-2)+(-3)

              (f)  (-2)+8+(-4)

Answers (1)
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Addition by using the number line method-   
(a)  9+(-6) 
Initially, move 0 to 9 and then 6 number left to the 9 on the nu,ber line.

(b) 5+(-11) 
Initially, move 0 to 5 and then 11 number left to the 5 on the number line.

(c) (-1)+(-7) 
Initially, move 0 to -1 and then 7 number left to the -1

(d) (-5)+10
Initially, move 0 to -5 and then 2 number right to the -5 and again moves 10 number right to the -5

(e) (-1)+(-2)+(-3) 
Initially, move 0 to -1 and then 2 number left to the -1 and again moves 3 number left to the -3

(f)  (-2)+8+(-4)
First move 0 to -2 and then -2 to 8 number right on the number line and then move 4 numbers left to the 6

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