Multiplying Multi-Digit Whole Numbers

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

Multiplying Multi-Digit Whole Numbers Example 1: 23 x 13 69 + 230 299 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.

Multiplying Multi-Digit Whole Numbers Example 2: 993 x 68 7944 + 59580 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.

Multiplying Multi-Digit Whole Numbers Example 3: 712 x 564 2848 42720 +356000 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.

Multiplying Multi-Digit Whole Numbers Try these: 1.) 12 2.) 671 3.) 457 x 32 x 54 x 38 Challenge: 4.) 751 5.) 2,213 x 234 x 639

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.