3 Digit x 1 Digit
2 Digit x 2 Digit
Estimating
Multiplying by Multiples of 10
Word Problems
100

234 x 2

468

100

95 x 31 

2,945

100

17 x 4 is about

80

100

12 x 20

240

100

I can type 49 words per minute. How many words would I type in 8 minutes?

392 words

200

452 x 6

2,712

200

73 x 32

2,336

200

564 x 3 is about

1,800

200

30 x 21

630

200

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

1,222 pages

300

685 x 6

4,110

300

45 x 16

720

300

3,128 x 6 is about 

18,000

300

60 x 27

1,620

300

A boat made 36 trips on Sunday. Each boat ride had 21 people on it. How many total people went on the boat ride on Sunday?

756

400

783 x 9

7,047

400

67 x 57

3,819

400

79 x 31 is about

2,400

400

66 x 40

2,640

400
Fake mustaches come with 15 black mustaches and 12 rainbow mustaches. If Mrs. Pham bought 3 packs, how many mustaches does she have altogether?

81 mustaches 

500

768 x 8 

6,144

500

54 x 37

1,998

500

92 x 76 is about 

7,200

500

88 x 30

2,640

500

Sam wanted to bake cupcakes and cookies for the class. She baked 11 trays of cookies with 16 cookies on each tray. She baked 9 trays of cupcakes with 24 cupcakes on each tray. How many desserts did Sam back in all?

392 desserts