Estimate the Difference
Subtraction with regrouping
Subtracting large numbers
Zeros in subtraction
Multistep problems using addition and subtraction
100

652 - 471

200

100

63 - 19

44

100

82,540 - 26,758

55,782

100

1,700 - 218

1,482

100

31 - 14 + 10 = y

y = 27

200

7,834 - 365

7,400

200

993 - 75

918

200

264,751 - 78,984

185,767

200

4,000 - 2,982

1,018

200

100 - 67 + 58 = x

x = 91

300

55,234 - 44,121

20,000

300

9,208 - 463

8,745

300

147,260 - 66,498

80,762

300

34,600 - 5,441

29,159

300

x + 50 = 92 + 51

x = 93

400

271,701 - 45,089

220,000

400

7,831 - 2,456

5,375

400

Find 542,342 - x when x=351,233

191,109

400

92,000 - 46,555

45,445

400

99 - 48 = x - 46

x = 97

500

642,718 - 562

642,100

500

754 - x when x= 378

376

500

799,757 - 798,691

1,066

500

240,000 - 178,992

61,008

500

100 - x = 90 -27

x = 37

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