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Rounding Large Numbers - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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Complexity=1

Round each number to the nearest 10,000.

1.   77,583
2.   19,707

Complexity=5

Round each number to the nearest 10,000.

1.   83,251
2.   262,154

Complexity=10

Round each number to the nearest 10,000.

1.   490,163
2.   188,327

Complexity=100

Round each number to the nearest 10,000.

1.   9,521,520
2.   7,972,080

Complexity=1000

Round each number to the nearest 10,000.

1.   89,778,265
2.   70,900,338

Complexity=100000

Round each number to the nearest 100,000,000.

1.   4,424,598,686
2.   4,403,525,030

Complexity=50000000

Round each number to the nearest 100,000,000,000.

1.   4,904,663,263,175
2.   4,024,384,873,451

Complexity=500000000

Round each number to the nearest 1,000,000,000.

1.   24,838,631,367,427
2.   45,049,354,079,226

Answers


Complexity=1

Round each number to the nearest 10,000.

#ProblemCorrect AnswerYour Answer
177,583
#ProblemCorrect AnswerYour Answer
219,707

Complexity=5

Round each number to the nearest 10,000.

#ProblemCorrect AnswerYour Answer
183,251
#ProblemCorrect AnswerYour Answer
2262,154

Complexity=10

Round each number to the nearest 10,000.

#ProblemCorrect AnswerYour Answer
1490,163
#ProblemCorrect AnswerYour Answer
2188,327

Complexity=100

Round each number to the nearest 10,000.

#ProblemCorrect AnswerYour Answer
19,521,520
#ProblemCorrect AnswerYour Answer
27,972,080

Complexity=1000

Round each number to the nearest 10,000.

#ProblemCorrect AnswerYour Answer
189,778,265
#ProblemCorrect AnswerYour Answer
270,900,338

Complexity=100000

Round each number to the nearest 100,000,000.

#ProblemCorrect AnswerYour Answer
14,424,598,686
#ProblemCorrect AnswerYour Answer
24,403,525,030

Complexity=50000000

Round each number to the nearest 100,000,000,000.

#ProblemCorrect AnswerYour Answer
14,904,663,263,175
#ProblemCorrect AnswerYour Answer
24,024,384,873,451

Complexity=500000000

Round each number to the nearest 1,000,000,000.

#ProblemCorrect AnswerYour Answer
124,838,631,367,427
#ProblemCorrect AnswerYour Answer
245,049,354,079,226
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