Question 9 (e) - Integers Addition and Subtraction Worksheet - Chapter 1 Class 7 Integers
Last updated at Dec. 16, 2024 by Teachoo
Integers Addition and Subtraction Worksheet
Question 1
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Chapter 1 Class 7 Integers
Serial order wise
Transcript
Question 9 Use the sign of >, < or = in the box to make the statements true. (e) – 231 + 79 + 51 ⎕ –399 + 159 + 8139 + (– 24) – (15) ⎕ 36 + (– 52) – (– 36) 39 + (– 24) – (15) = 39 − 24 − 15 Taking – common = 39 − (24 + 15) = 39 − 39 = 0 36 + (– 52) – (– 36) = 36 − 52 + 36 = 36 + 36 − 52 = 72 − 52 = 20 0 ⎕ 20 0 < 20 Question 9 Use the sign of >, < or = in the box to make the statements true. (e) – 231 + 79 + 51 ⎕ –399 + 159 + 81–231 + 79 + 51 = −231 + 130 Taking – common = −(231 − 130) = −101 – 399 + 159 + 81 = −399 + 240 Taking – common = −(399 − 240) = −159 −101 ⎕ −159 −101 ⎕ −159
