Estimating: 1-digit
Estimating Products: lots o'digits
Multiplying by 1-digit numbers
Multiplying by 2-digit Numbers
Multiplying by 3-digit numbers...and beyond!
100

Estimate 87x 4

What is 320

100

Estimate the product of 50 x 101

What is 50000

100
29 x 4 =
What is 116
100
38 x 12 =
What is 456
100

234 x 100

What is 23,400

200

Estimate 278 x 9

What is 2700

200
Estimate the product of 99 x 99
What is 10,000.
200
31 x 7 =
What is 217
200
45 x 76 =
What is 3,420
200

456 x 103

What is 46,968

300

Estimate 679 x 2

What is 1400

300

Estimate the product of 70 x 27

What is 2,100

300
102 x 8 =
What is 816
300
64 x 51 =
What is 3,264
300

876 x 870

What is 762,120

400

Estimate 890 x 4

What is 3600

400

Estimate the product of 478 x 29

What is 15,000

400
643 x 7 =
What is 4,501
400

53 x 46 =

What is 2,438

400

4987 x 145

What is 723,115

500

Estimate 7089 x 5

What is 35000

500

Estimate the product of 6978 x 567

What is 42000

500
Miss Johns made 5 pies and wants to sell them for $36 each. How much money will she makes if she sells them all?
What is $180
500

The students put together 12 jigsaw puzzles. Each puzzle had 34 pieces. How many puzzles pieces did they have in all?

What is 408 puzzle pieces

500

1500 x 2345

What is 3,517,500

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