1. Multiplying Multi-Digit Whole Numbers

2. Multiplying Multi-Digit Whole Numbers
Definitions:
Factors - Are the individual numbers that are multiplied together.
Product - Is the answer when two or more numbers are multiplied together. 12
x 9
108
Factors
Product

3. Multiplying Multi-Digit Whole Numbers
Example 1: 23
x 13 69
299
Multiply the 3 in “13” by each digit in 23.
Put a “0” in the ones place and multiply the 1 in “13” by each digit in 23.
Add all of the partial products to get your final answer.

4. Multiplying Multi-Digit Whole Numbers
Example 2:
993
x 68
7944
67,524
Tip: When multiplying, place the factor with more digits on the top (and the one with less digits on the bottom).
Multiply the 8 in “68” by each digit in 993.
Put a “0” in the ones place and multiply the 6 in “68” by each digit in 993.
Add all of the partial products to get your final answer.

5. Multiplying Multi-Digit Whole Numbers
Example 3:
712
x 564
2848
42720
401568
Multiply the 4 in “564” by each digit in 712.
Put a “0” in the ones place and multiply the 6 in “564” by each digit in 712.
Put a “0” in the ones place and in the tens place and multiply the 5 in “564” by each digit in 712 . ,
Add all of the partial products to get your final answer.

6. Multiplying Multi-Digit Whole Numbers
Try these:
1.) ) )
x x x
Challenge:
4.) ) 2,213
x x 639

7. Multiplying Multi-Digit Whole Numbers
Real-Life Application
Try this one:
Nalini makes $663 per week. If she works 49 weeks this year, how much will she make for the entire year? Show all work.