Multiplying integers

Multiplying integers

Continue from the previous section, we will practice more on multiplication of positive and negative integers. We will look at questions involving multiplying integers and number lines. In addition, we will learn how to estimate double digit integer multiplication.

Lessons

  • 1.
    Write the multiplication statement for each number line.
    a)

    integer multiplication on number line

    b)

    Multiplying integers using number lines


  • 2.
    Use a number line to find the product.
    a)
    (+4)×(+4)

    b)
    (+3)×(-8)

    c)
    (-6)×(-2)


  • 3.
    Estimate. Then calculate.
    a)
    (+18)×(-33)

    b)
    (-21)×(+46)

    c)
    (-37)×(-19)


  • 4.
    Annie had 50 ml of yogurt every morning for the last 7 days. If there is 650 ml of yogurt left in the case, how much yogurt was there 7 days ago?

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