4th grade Subtracting

Estimate differences

100

38-16

20

200

785-68

720

300

6299-541

5800

400

87,009-6,552

80,000

500

918,778-362,045

500,000

Subtract with regrouping

100

63-19

44

200

74-47

27

300

347-64

283

400

819-483

336

500

934-253

681

Subtract without regrouping

100

430-74

356

200

548-279

269

300

8326-571

7755

400

8306-685

7621

500

9208-463

8745

Subtract Greater numbers

100

5829-946

4883

200

17,246-9,598

7,648

300

25,328-8,530

16,798

400

62,517-8,948

53,569

500

314,684-279,873

34,811

Subtraction with zeros

100

2000-755

1245

200

4000-891

3109

300

8000-1235

6765

400

80,000-46,299

33,701

500

700,000-7,426

692,574