Math Topic 1 Study Guide

Choose all the numbers that round to 100,000 when rounded to the nearest hundred thousand.

• 9,999

• 89,006

• 109,999

• 119,999

• 999,999

Which symbol makes the comparison true?

• <

• >

• =

Write three numbers that round to 40,000 when rounded to the nearest ten thousand.

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John wrote the numbers 678,901 and 67,980. How many times greater is the value of 7 in 678,901 than the value of 7 in 67,980?

• 10,000

• 1,000

• 100

• 10

Which number has one digit that represents ten times the value of the digit to its right? Explain.

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Write the number for 160,060 in expanded form and using number names

• 100,000+60,000+60; one hundred sixty thousand, sixty

• 100,000+6,000+60; one hundred six thousand, sixty

• 100,000+60,000+600; one hundred sixty thousand, six hundred

• 1,000+ 60,000+60; one thousand, sixty thousand, sixty

For each number, give the whole number that represents the value of the underlined digit.

155,349

651,907

947,502

317,055

Look at your answers in Part A (question 7). In which number is the value of the underlined digit 10 times the value of the digit to the right of it?

• 155,349

• 651,907

• 947,502

• 317,055

Rhode Island has about three hundred fifty-six thousand acres of forested land. What is this number in standard form rounded to the nearest ten thousand?

• 350,000

• 400,000

• 360,000

• 356,000

Which of the following comparisons is correct?

• 65,215 > 65,512

• 292,200 < 229,200

• 890,242 < 890,224

• 101,111 < 111,111