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Use the unmarked number line to evaluate expressions like –125 + (–30), +105 – (–55), and others.

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  • (–125) + (–30) = –155 (Moving 30 steps left from –125).
  • (+105) – (–55) = +160 (Subtracting –55 is adding +55).
  • (+80) – (–150) = +230 (Adding +150 to +80).
  • (–99) – (–200) = +101 (Moving 200 steps right from –99).

Class 6 NCERT Ganita Prakash Chapter 10 The Other Side of Zero

class 6 Mathematics Textbook Chapter 10 question answer

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  1. Evaluating these expressions using an unmarked number line:
    • (–125) + (–30) = –155 (Moving 30 steps left from –125).
    • (+105) – (–55) = +160 (Subtracting –55 becomes adding +55).
    • (+80) – (–150) = +230 (Adding +150 to +80).
    • (–99) – (–200) = +101 (Subtracting –200 becomes adding +200).
    The unmarked number line helps visualize these movements, simplifying integer operations using directional movement.

    For more NCERT Solutions for Class 6 Math Chapter 10 The Other Side of Zero Extra Questions and Answer:
    https://www.tiwariacademy.com/ncert-solutions/class-6/maths/

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