Multiplication Multiplying 3 or more digits by 2 digits

Review: Multiply 3 digits by 1 Digits

Multiplying 3 digits by 1 digit Step 1- Multiply ones. Regroup tens if necessary. 1 1 4 3 x 6 8

Multiplying 3 digits by 1 digit Step 2- Multiply tens. Add additional tens. Regroup hundreds if necessary. 2 1 1 4 3 x 6 5 8

Multiplying 3 digits by 1 digit Step 3- Multiply hundreds. Add additional hundreds. 2 1 1 4 3 x 6 8 5 8

Review: Multiply 2 digits by 2 Digits

Multiplying 2 digits by 2 digits Step 1- Multiply by ones. Regroup tens if necessary. 2 8 4 Answer 24. Regroup tens. x 2 6 4

Multiplying 2 digits by 2 digits Step 2- Multiply by ones times tens. Answer 48. Add the 2 extra tens. Write down your answer. 2 8 4 x 2 6 5 0 4

Multiplying 2 digits by 2 digits Step 3 - Multiply by tens times ones. Sometimes it’s helpful to put an x under the one’s place So you won’t write a digit there. Answer 8. This 8 goes below the 0 because 2 is in the ten’s place. 2 8 4 x 2 6 5 0 4 8 x

Multiplying 2 digits by 2 digits Step 4 - Multiply by tens times tens. Answer 16. Don’t add in 2, that was from before. This 16 goes below the 5 because 2 & 8 are in the ten’s place. 2 8 4 x 2 6 Make sure your digits are lined up carefully. 5 0 4 1 6 8 x

Multiplying 2 digits by 2 digits Step 5 – Add your answers together. 2 8 4 Add like you normally do. x 2 6 Don’t forget to regroup when adding if you need to. 5 0 4 1 1 6 8 x + 2 1 8 4

Multiplying 2 digits by 2 digits Step 6 – Add your comma. 2 8 4 x 2 6 5 0 4 1 1 6 8 x + 2 , 1 8 4

Solve this problem 1 8 4 x 4 3 2 5 2

Solve this problem 1 1 8 4 x 4 3 1 2 5 2 + 3 3 6 x , 3 6 1 2

Multiply 3 digits by 2 Digits

Solve this problem 2 6 8 7 x 5 4 8

Solve this problem 3 2 6 8 7 x 5 4 4 8

Solve this problem 3 2 6 8 7 x 5 4 2 7 4 8

Solve this problem 3 3 2 6 8 7 x 5 4 2 7 4 8 5 x

Solve this problem 4 3 3 2 6 8 7 x 5 4 2 7 4 8 3 5 x

Solve this problem 4 3 3 2 6 8 7 x 5 4 1 2 7 4 8 + 3 4 3 5 x 3 7 , 9 8

Solve this problem 1 7 8 6 x 6 3 8

Solve this problem 2 1 7 8 6 x 6 3 5 8

Solve this problem 2 1 7 8 6 x 6 3 2 3 5 8

Solve this problem 3 2 1 7 8 6 x 6 3 2 3 5 8 6 x

Solve this problem 5 3 2 1 7 8 6 x 6 3 2 3 5 8 1 6 x

Solve this problem 5 3 2 1 7 8 6 x 6 3 1 2 3 5 8 + 4 7 1 6 x 4 9 , 5 1 8

Solve this problem 6 3 4 x 4 2 8

Solve this problem 6 3 4 x 4 2 6 8

Solve this problem 6 3 4 x 4 2 1 2 6 8

Solve this problem 1 6 3 4 x 4 2 1 2 6 8 6 x

Solve this problem 1 1 6 3 4 x 4 2 1 2 6 8 3 6 x

Solve this problem 1 1 6 3 4 x 4 2 1 1 2 6 8 + 2 5 3 6 x 2 6 , 6 2 8

Multiply 4 digits by 2 Digits

Solve this problem 2 1 1 2 x 3 3 6 3 3 6 + 6 3 3 6 x 6 9 , 6 9 6

Solve this problem 1 0 2 1 x 2 1 1 2 1 + 2 4 2 x 2 1 , 4 4 1

Solve this problem 1 3 2 3 6 4 3 x 5 1 3 6 4 3 + 1 8 2 1 5 x 1 8 5 , 7 9 3