Question

Represent the following subtractions on the number line. (i) 7 – 2 (ii) 8 – (– 7) (iii) 3 – 7 (iv) 15 – 14 (v) 5 – (– 8) (vi) (–2) - (–1)

SCERT Class 7 Telangana, Maths Chapter 1 Integers

Answer 1

.__.__.__.___._._._._._.__._ 0,\1\,2,3,\4\,\5\,6,7,8,9,10,11, _.___.__.__.__ 12,\13\,14,\15\. The answer of 1. 7 - 4=5 #2. 8-(-7)=15 #3. 3-7=4 #4. 15-14= 1 #5. 5-(-8)=13 #6. (-2)-1 =1.

Answer 2

i) 7-2= 5............... ii) 8-(-7)= 8+7= 15........ iii) 3-7= -4........... iv) 15-14= 1......... v) 5-(-8)=5+8=13...... vi)(-2)-(-1)=-2+1=-1............... Now draw a line. Take 0 in middle. Mark positive numbers on the right side and negative on the left side. Circle the numbers which I have answered...... I am sorry that I am not able to provide you with the number line as I am online on android..... But its easy.... Just follow the steps I have written. I hope it helps....