Base 10 multiplication
2 digit by 2 digit
3 digit by 2 digit
4 digit by 2 digit
Word Problems
100

Rewrite the following using the power of 10. 


10x10x10x10x10

105

100

34 x 12=

408

100

132 x 33=

4356

100

7,122x15=

106,830

100

Ms. Poole bought 23 pencil boxes. Each pencil box has 35 pencils in it. How many pencils does she have altogether? 

805 pencils 

200

Rewrite the following using a power of 10 


10x102x104

107

200

66 x 23=

1,518

200

144 x 36=

5,184

200

1673 x 32=

53,536

200

Lucas has 2,321 photos in one photo album. He has 11 photo albums, each with the same amount of photos in it. How many photos does Lucas have all together? 

25,531 photos

300

Write each of the following in standard form. 


4x103=

4,000

300

33 x 27=

891

300

173 x 88=

15,224

300

4,554 x 32=

145,728

300

Every day for 22 days, Alpine runs 347 minutes. How many minutes total does she run in those 22 days? 

7,634 minutes

400

Write the following in standard form. 

743x106

743,000,000

400

89 x 99=

8,811

400

453 x 87=

39,411

400

7,992 x 54=

431,568

400

Lucas stops at Circle K on the way to school every day during the week.  He buys the same thing every day. He buys a bag of Takis for $3.45, a cinnamon roll for $4.54, and a bottle of water for $1.99.

He pays with a $20 bill every day too.  How much change should be get back each day?

$10.02

500

Write in standard form. 

23x103x102x12=

27,600,000

500

58x97=

5,526

500

845 x 68=

57,460

500

6,523 x 47=

306,581

500

Lucas stops at Circle K on the way to school every day during the week.  He buys the same thing every day. He buys a bag of Takis for $3.45, a cinnamon roll for $4.54, and a bottle of water for $1.99.

How much does Lucas spend at Circle K each week?

$49.90

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