Unit 1 Review

Addition

100

Solve:

234+387=

621

200

Solve:

348+845=

1,193

300

Solve:

1,837+2,737=

4,574

400

Solve:

7,447+1,027=

8,474

500

Solve:

9,834+12,389=

22,223

Subtraction

100

Solve:

20,000-2,373=

17,627

200

Solve:

37,465-6,074=

31,391

300

Solve:

57,389-28,375=

29,014

400

Solve:

182,739-34,758=

147,981

500

Solve:

235,207-67,034=

168,173

Rounding

100

What is this number rounded to the underlined digit?

837,436

837,400

200

What is this number rounded to the underlined digit?

682,127

700,000

300

What is this number rounded to the underlined digit?

28,169

28,000

400

What is this number rounded to the underlined digit?

28,837

30,000

500

What is this number rounded to the underlined digit?

473,658

500,000

Place Value

100

What is the underlined number worth in this number?

6483

400

200

What is the underlined number worth in this number?

33,928

20

300

What is the underlined number worth in this number?

74,038

4,000

400

What is the underlined number worth in this number?

83,702

700

500

What is the underlined number worth in this number?

17,837

10,000

Comparing

100

What is the correct symbol? <, >, =

374 __ 347

> (greater than)

200

What is the correct symbol? <, >, =

87,639 ___ 83,476

> (greater than)

300

What is the correct symbol? <, >, =

4,362 ___ 47,362

< (less than)

400

What is the correct symbol? <, >, =

62,800 ___ 62,799

>

500

What is the correct symbol? <, >, =

7,314 ___ 7, 414

< (less than)