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Word problems
Area Model
Partial Products
Multiples of 10, 100, and 1,000
100

13 x 14 =

What is 182

100
I read 13 books with 94 pages in each book. How many pages did I read in all?
What is 1222
100

12 x 15

180

100

Solve 12 x 17 using partial products

204

100

10 x 12

120

200
15 x 15 =
What is 225
200

I am staying in a hotel for 14 nights. The cost to stay per night is $87. What is the total cost of the hotel?

1,218

200

16 x 25

400

200

Solve 15 x 22 using partial products

330

200

100 x 80

8,000

300
23 x 45 =
What is 1035
300

There are 45 cookies in a bag and the chef bought 30 bags this week. How many cookies are there altogether in the 30 bags?

1,350

300

23 x 21

483

300

Use partial products to find 41 x 17. 

697

300

1,000 x 90

90,000