How many erasers are there in total?
Multiplication without carrying over
Multiplication of a 2 digit number by a 1 digit numberExample: 21 × 3
Solution:
Multiply Tens, 2 Tens × 3 = 6 TensMultiply Ones, 1 Ones × 3 = 3 Ones
Multiplication of a 3 digit number by a 1 digit number
Example: 121 × 4
Solution: