Rounding
Addition
Subtraction
Subtract Across 0s
Number Patterns
100

Round each number to the given place value.

1,545 thousands

2,000

100

Add: 493 + 207 = ________

700

100

545 - 335 = ______

210

100

804 - 27 = ________

777

100

1,000 more than 3,424

4,424

200

Round each number to the given place value.

402 hundreds

400

200

Add: 78 + 34 = _____

112

200

1,545 - 263 = _______

1,282

200

5,075 - 491 = _______

4,584

200

100 more than 41,535

41,635

300

Round each number to the given place value.

48,344 thousands

48,000

300

6,934 + 377 = _________

7,311

300

49,463 - 7,129 = _______

42,334

300

23,004 - 12,674 = ________

10,330

300

1,000 less than 45,723

44,723

400

Round each number to the given place value.

7,392 thousands

7,000

400

2,545 + 498 = ________

3,043

400

439,286 - 232,311 = ___________

206,975

400

890,030 - 282,229 = __________

607,801

400

100 less than 39,416

39,316

500

Estimate. 

Round each number to the given place value.

54,744 + 2,362 thousands

_____+_______ = ___________

55,000 + 2,000 = 57,000

500

48,344 + 7,392 = ____________

55,736

500

2,342,463 - 243,211 = _____________

2,099,252

500

74,002 - 3,675 = ___________

70,327

500

Complete the pattern:

42,579   42,589  42,599  42,609   ?

42,619

M
e
n
u