큰 수와 자릿값 단원 종합

A.1Write each number in the form asked for.

1. 1
   Write in expanded form: $84,510,690$
2. 2
   Write in expanded form: $5,260,100$
3. 3
   Write in expanded form: $79,793,955$
4. 4
   Write in standard form: $30,000,000+$ $3,000,000+$ $300,000+$ $60,000+$ $600+$ $80$

A.2Write the value of the underlined digit.

1. 5
   $3,462,\underline{9}82$ 
2. 6
   $62,270,66\underline{9}$ 

A.2Write the value of the underlined digit. (continued)

1. 7
   $533,926,\underline{2}02$ 
2. 8
   $6,469,\underline{6}48$ 

A.3Fill in each box.

1. 9
   In $80,\underline{4}\underline{4}6,285$, the first $4$ is worth ​ times as much as the second $4$.
2. 10
   In $8,061,\underline{3}9\underline{3}$, the first $3$ is worth ​ times as much as the second $3$.
3. 11
   In $90,\underline{2}\underline{2}5,957$, the first $2$ is worth ​ times as much as the second $2$.
4. 12
   In $4,8\underline{1}3,4\underline{1}4$, the first $1$ is worth ​ times as much as the second $1$.

A.4Write each number in the form asked for.

1. 13
   Write in word form: $940,062$
2. 14
   Write in standard form: eight million, two hundred twenty thousand, six hundred forty-nine

A.4Write each number in the form asked for. (continued)

1. 15
   Write in standard form: four million, six hundred thirty-seven thousand, one hundred twenty-two
2. 16
   Write in standard form: seven hundred thousand, five hundred fifty

A.5Write each Roman numeral as a number, and each number as a Roman numeral. I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1,000.

1. 17
   CXXXIII = 
2. 18
   CCXXIV = 
3. 19
   $300=$ 
4. 20
   $387=$ 

A.1Standard & Expanded Form

1. 1$80,000,000+$ $4,000,000+$ $500,000+$ $10,000+$ $600+$ $90$
2. 2$5,000,000+$ $200,000+$ $60,000+$ $100$
3. 3$70,000,000+$ $9,000,000+$ $700,000+$ $90,000+$ $3,000+$ $900+$ $50+$ $5$
4. 4$33,360,680$

A.2Value of a Digit to Billions

1. 5900
2. 69
3. 7200
4. 8600

A.3Relationships Between Place Values

1. 910
2. 10100
3. 1110
4. 121,000

A.4Word Form to Millions

1. 13nine hundred forty thousand, sixty-two
2. 14$8,220,649$
3. 15$4,637,122$
4. 16$700,550$

A.5Roman Numerals

1. 17133
2. 18224
3. 19CCC
4. 20CCCLXXXVII