Chapter 3: Positive and negative integers Notes

Negative numbers on the number line, adding, subtracting, multiplying and dividing integers, the order of operations with integers, and the Cartesian plane.

Sections

  1. 3A Working with negative integers Mastered

    What integers are, placing them on a number line, ordering them, and using negative numbers in real situations such as temperature.

  2. 3B Adding and subtracting integers Mastered

    Adding and subtracting positive and negative integers using the number line and the rules for adding or subtracting a negative.

  3. 3C Multiplying and dividing integers Mastered

    The sign rules for multiplying and dividing positive and negative integers, with patterns that show why a negative times a negative is positive.

  4. 3D Order of operations with integers Mastered

    Using the order of operations with positive and negative integers, and substituting negative values into expressions.

  5. 3E The Cartesian plane Mastered

    Plotting and reading points on the Cartesian plane in all four quadrants, the origin, axes and ordered pairs (x, y).

Formula sheet