Adding in the 10,000's
Adding in the 100,000's
Estimate and Add
Multi-digit Addition
DON'T SAY IT!
100

23,048 + 14,890

37,938

100

210,023 + 103,203

313,226

100

Solve: 4,582 + 1,682 

Estimate the numbers in the problem and solve to see if your answer is correct based on your estimation.

Sum: 6,264

Estimation: 5,000 + 2,000 = 7,000

100

10,254 + 150


10,404

100

34,562 + 32,105

66,767

200

35,957 + 10,542

46,499

200

362,138 + 185,215

547,353

200

Solve: 11,528 + 2,311 

Estimate the numbers in the problem and solve to see if your answer is correct based on your estimation.

Sum: 13,839

Estimation: 12,000 + 2,000 = 14,000

200

49,851 + 1,873

51,724

200

47,361 + 19,406

66,767

300

88,714 + 10,777

99,491

300

287,615 + 158,251

445,866

300

Solve: 21,487 + 5,248 = 

Estimate the numbers in the problem and solve to see if your answer is correct based on your estimation.

Sum: 26,735

Estimation: 21,000 + 5,000 = 26,000

300

5,896 + 150 + 25

6,071

300

526,278 + 150,489

 676,767

400

72,568 + 25,846

98,414

400

651,231 +285,152

936,383

400

Solve: 157,251 + 25,866

Estimate the numbers in the problem and solve to see if your answer is correct based on your estimation.

Sum: 183,117

Estimation: 160,000 + 30,000= 190,000

400

2,321 + 155 + 16

2,492

400

224,465 + 543,211

767,676

500

89,250 + 78,676

167,926

500

528,355 + 422,853

951,208

500

Solve: 365,789 + 58,224

Estimate the numbers in the problem and solve to see if your answer is correct based on your estimation.

Sum: 424,013

Estimation: 370,000 + 60,000 = 430,000

500

35,571 + 1,251 + 168

36,990

500

461,357 + 215,410

676,767

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