What Is a Fraction?MenuIntroduction1FractionsUsing FractionsActivity Set 1Activity Set 2Activity Set 32Visualizing FractionsActivity Set 1Activity Set 23Changing the NumeratorActivity Set 1Activity Set 2Activity Set 34Changing the DenominatorActivity Set 1Activity Set 2Activity Set 35Different Types of FractionsActivity Set 1Activity Set 2Fill a number in the numerator to make a proper fraction3CheckResetContinueActivity Set 3Activity Set 46Fractions with 0 in the DenominatorActivity Set 17Boss Battle