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Estimating
2-Digit by 2-Digit Multiplication
3-Digit by 2-Digit Multiplication
3-Digit by 3-Digit Multiplication
Pop Quiz About Mrs. Cunningham!
100

Estimate 24 x 51

20 x 50 = 1,000

100

26 x 23

598

100

123 x 11

1,353

100

321 x 123

39,483

100

Does Mrs. Cunningham like to read?

Yes!!! Duh!!!

200

Estimate 563 x 71

600 x 70 = 42,000

or

560 x 70 = 39,200

200

37 x 42

1,554

200

253 x 45

11,385

200

456 x 654

298,224

200

What is Mrs. Cunningham's favorite color?

Green!

300

Estimate 233 x 41

200 x 40 = 8,000

or

230 x 40 = 9,200

300

58 x 67

3,886

300

592 x 61

36,112

300

789 x 345

272,205

300

How old is Mrs. Cunningham?

25

400

Estimate 1,230 x 272

1,000 x 300 = 400,000

or

1,200 x 270 = 324,000

400

73 x 81

5,913

400

744 x 37

27,528

400

890 x 531

472,590

400

Does Mrs. Cunningham have any pets?

No!

500

Estimate 3,750 x 4,982

4,000 x 5,000 = 20,000,000

or

3,800 x 5,000 = 19,000,000

500

89 x 94

8,336

500

948 x 67

63,516

500

998 x 779

777,442

500

What is Mrs. Cunningham's husband's name?

Ethan!