Last updated at Dec. 16, 2024 by Teachoo
Ex 6.2, 3 Add without using number line : (a) 11 + ( 7) 11 + ( 7) = 11 7 = 4 Rules + & becomes + & + becomes + & becomes + Ex 6.2, 3 Add without using number line : (b) ( 13) + (+18) 13 + (+18) = 13 + 18 = 18 13 = 5 Rules + & becomes + & + becomes + & becomes + Ex 6.2, 3 Add without using number line : (c) ( 10) + (+ 19)( 10) + (+ 19) = 10 + 19 = 19 10 = 9 Rules + & becomes + & + becomes + & becomes + Ex 6.2, 3 Add without using number line : (d) ( 250) + (+ 150)( 250) + (+150) = 250 + 150 Taking common = (250 150) = 100 Rules + & becomes + & + becomes + & becomes + Ex 6.2, 3 Add without using number line : (e) ( 380) + ( 270) ( 380) + ( 270) = 380 270 Taking common = (380 + 270) = 650 Rules + & becomes + & + becomes + & becomes + Ex 6.2, 3 Add without using number line : (f) ( 217) + ( 100)( 217) + ( 100) = 217 100 = (217 + 100) = 317
About the Author
Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo