What Is Multiplication?MenuIntroduction1Multiplication TermsTurn Sums into MultiplicationActivity Set 1Activity Set 22Multiply by 0Activity Set 1Activity Set 23Simplifying SumsActivity Set 1Write the sum as a sum of products:7+1+7+1+1+7 = × 7 + × 1CheckResetContinue4Number Line for MultiplicationActivity Set 15Swap FactorsFactor SwappingActivity Set 1Activity Set 26Boss Battle