Module 3 Topic C

My favorite way to solve multi-digit multiplication problems is...

• area model

• partial products

• standard algorithm

6 X 42

5 X 237

Mrs. Warren is 64 years old. If someone lived to be ten times as old as Mrs. Warren, they would live to be ___________ years old.

9 X 457

What is the product of 6 and 1,157?

An elephant drinks 49 gallons of water per day. A rhinoceros drinks 21 gallons per day. In 8 days, both animals together would drink ____________ gallons of water.

Ellie built a figure with 124 Lego pieces and Gideon built a figure with 125 Lego pieces. Mason built a figure with 3 times as many Lego pieces as Ellie & Gideon together. How many pieces did Mason use?

Mason used __________ Lego pieces.