Adding
Subtracting
Rounding
Problem Solving
100

148 + 157

305

100

826-184

642

100

4,501

5,000

100

A football team needs to sell at least 20,000 tickets to two games to cover expenses. They sell 10,184 tickets to one game and 9,723 to the other. Round each number. Did the team sell enough tickets?

Yes. They sold around 20,000 tickets. 

200

14,312 + 9,617


23,929

200

4,248-2,764

1,484

200

547 + 721

1,200


200

Last week, Mallory flew two round trips. They were 3,720 miles and 5,985 miles. About how many miles did Mallory fly?

10,000 miles

300

21,009 + 5,529

26,538

300

653,642 - 562,410

91,232

300

1,123 + 5,678

7,000


300

London, England is 15,710 kilometers from the South Pole. Tokyo, Japan is 13,953 kilometers from the South Pole. How much farther is London than Tokyo from the South Pole?

1,757 kilometers

400

29,634 + 12,958 + 6,835

49,427

400

7,203-847

6,356

400

149,999 + 150,000

300,000

400

How many more people attended the street fair in 2019 than in 2017?

2019: 362,839 people

2017: 81,129 people

281,710

500

2,987,134 + 3,489,320

6,476,454

500

700,000-5,048

694,952

500

1,578,000 + 43,000

2,040,000

500

Nevada has a land area of 109,781 square miles. Colorado has a land area of 103,642 square miles. How much larger is Nevada than Colorado? 

6,139 square miles

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