Mathematics Grade 4

  • 1 What Are Fractions?

    A fraction represents a part of a whole thing.

  • 2 Mixed Numbers

    Count whole things and parts of things at the same time

  • 3 The Magic 1

    When the numerator equals the denominator

  • 4 Equivalent Fractions, Part 1

    Why 1/2 is the same as 3/6

  • 5 Equivalent Fractions, Part 2

    Doing it without pictures

  • 6 Simplifying Fractions

    How to write fractions using the smallest numbers possible

  • 7 Improper Fractions

    When the numerator is bigger then the denominator

  • 8 Compare Fractions: Equal Denominator

    We're serving up pizza for this one

  • 9 Compare Fractions: Equal Numerator

    Using tasty numbers instead of pizza slices

  • 10 Add Fractions With Like Denominators

    Just subtract the numerators

  • 11 Subtract Fractions With Like Denominators

    Note those denominators

  • 12 Adding and Subtracting Fractions With Different Denominators

    Introducing the least common denominator

  • 13 Adding and Subtracting Fractions with Whole and Mixed Numbers

    More fun with improper fractions

  • 14 Multiplying Fractions

    You have six pizzas and you get to eat a third of them...

  • 15 Multiplication with Fractions and Whole Numbers

    Start by multiplying the numerators and denominators

  • 16 Dividing Fractions

    The "flip and multiply" trick

  • 17 Division With Fractions and Whole Numbers

    Change the numbers to fractions and then go for it!