What Is Multiplication?MenuIntroduction1Multiplication TermsTurn Sums into MultiplicationActivity Set 1Write the sum as a multiplication problem:3+3+3 = × 3CheckResetContinueActivity Set 22Multiply by 0Activity Set 1Activity Set 23Simplifying SumsActivity Set 14Number Line for MultiplicationActivity Set 15Swap FactorsFactor SwappingActivity Set 1Activity Set 26Boss Battle