Long MultiplicationMenuIntroduction1Long Multiplication Activity Set 12Carrying DigitsActivity Set 132-digit NumbersActivity Set 143-digit NumbersActivity Set 15Decimal NumbersActivity Set 16Lattice Multiplication with IntegersActivity Set 17Lattice Multiplication with Decimal NumbersActivity Set 18Mental ArithmeticActivity Set 1Activity Set 2Solve the problem using mental arithmetic:12 × 6 = CheckResetContinue9Boss Battle
