Zeroes
Estimation
2 digit x 1 digit
3 digit x 1 digit
2 digit x 2 digit
100

40 x 9

360

100

28 x 4

About 120

100

54 x 2

108

100

132 x 2

264

100

23 x 32

736

200

60 x 8

480

200

232 x 3

About 600

200

63 x 7

441

200

298 x 5

1,490

200

54 x 25

1,350

300

30 x 90

2,700

300

924 x 8

About 7,200

300

93 x 6

558

300

689 x 7

4,823

300

86 x 42

3,612

400

80 x 50

4,000

400

1,843 x 7

about 14,000

400

78 x 7

546

400

983 x 6

5,898

400

98 x 58

5,684

500

200 x 30

6,000

500

7,584 x 7

about 56,000

500

95 x 7

665

500

There are 743 people at the fair. If there are the same number of people for the next 5 days, how many people would have gone to the fair in all?

3,715 people

500

There are 72 boxes of pencils. If there are 56 pencils in each box, how many pencils are there in all?

4,032 pencils