NCERT Class 7 Solutions: Integers (Chapter 1) Exercise 1.1 – Part 3

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Q-8 Verify for the following values of a and b:

Solution:

Given the order of operations in numeric expressions from related equation

Given the Order of Operations in Numeric Expressions

Given the order of operations in numeric expressions from related equation

  1. Given

    We have

    Since

  2. Given

    We have

    Since

  3. Given

    We have

    Since

  4. Given

    We have

    Since

Q-9 Use the sign of in the box to make the statement true:

  1. Smaller numbers whether positive or negative are towards the left.

    Comparing Negative Numbers

    Smaller numbers whether positive or negative are towards the left.

Solution:

  1. (-12 is to the left of -4 on the number line and hence is smaller)

  2. (-15 is to the left of -2 on the number line and hence is smaller)

  3. (-7 is to the right of -29 on the number line and hence is bigger)

  4. (0 is to the left of 20 on the number line and hence is smaller)

  5. (-101 is to the right of -159 on the number line and hence is larger)